CAS number index
Every CAS Registry Number in our catalogue, sorted numerically. Paste a CAS No. into the search bar to jump straight to the product.
| CAS No. | Substance | Grades |
|---|---|---|
| 1103738-29-9 | 1-Chloro-2-(4-ethoxybenzyl)-4-iodobenzene | 1 |
| 1104011-35-9 | Desisobutyl-n-butyl Bortezomib | 1 |
| 1104561-82-1 | 2-Chloro-6-(methylsulfonyl)benzoic acid | 1 |
| 1104890-90-5 | rac-Duloxetine Related Compound F | 1 |
| 1104890-93-8 | Duloxetine Chloro Impurity | 1 |
| 1105067-87-5 | Atorvastatin EP Impurity F (Calcium Salt) | 1 |
| 1105067-88-6 | Atorvastatin EP Impurity E Calcium salt | 1 |
| 1105067-89-7 | (4S,Trans)-1,1-Dimethylethyl-6-aminoethyl-2,2-dimethyl-1,3-dioxane-4-acetate | 1 |
| 1105067-90-0 | Atorvastatin Acetonide t-Butyl Ester (4S,6R)-Isomer | 1 |
| 1105067-91-1 | Defluoro Atorvastatin Acetonide tert-Butyl Ester | 1 |
| 1105067-92-2 | (3S,5S)-6-Cyano-3,5-dihydroxyhexanoic Acid 1,1-Dimethylethyl Ester | 1 |
| 1105067-93-3 | Atorvastatin EP Impurity J | 1 |
| 1105542-94-6 | Budesonide-d8 | 1 |
| 1105636-26-7 | Apixaban Impurity 145 | 1 |
| 1105708-11-9 | (R)-2-Nitro-6-((4-(trifluoromethoxy)benzyl)oxy)-6,7-dihydro-5H-imidazo[2,1-b][1,3]oxazine | 1 |
| 1106685-58-8 | Ambrisentan Acyl Beta-D-Glucuronide | 1 |
| 1106685-61-3 | Ambrisentan Methyl Ester | 1 |
| 1106685-66-8 | (S)-4-Hydroxymethyl Ambrisentan | 1 |
| 1106685-82-8 | Ambrisentan Acyl Glucuronide (Mixture of Diastereomers) | 1 |
| 1106685-84-0 | 4-Hydroxymethyl ambrisentan | 1 |
| 1106685-85-1 | rac O-Demethyl Ambrisentan | 1 |
| 1107606-70-1 | S-Deoxo-6-oxo Fulvestrant | 1 |
| 1107611-94-8 | (Des-Glu13)-Bivalirudin | 1 |
| 1107613-95-5 | Trimethobenzamide Impurity 1 (Hydrochloride) | 1 |
| 1108731-49-2 | (R)-N-(1-(3-(2-Cyanobenzyl)-1-methyl-2,6-dioxo-1,2,3,6-tetrahydropyrimidin-4-yl)piperidin-3-yl)acetamide | 1 |
| 1108732-05-3 | (S)-2-((6-(3-Aminopiperidin-1-yl)-3-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)methyl)benzonitrile | 1 |
| 1110574-95-2 | Mesna Impurity 2 | 1 |
| 1110813-31-4 | Dacomitinib | 1 |
| 1111083-50-1 | Rivastigmine Benzyl impurity | 1 |
| 1111086-20-4 | 3-(3,5-Difluorophenoxy)propan-1-ol | 1 |
| 1111177-24-2 | Valsartan Desvaleryl Methyl Ester | 1 |
| 1111177-30-0 | Valsartan Ethyl Ester | 1 |
| 1112048-62-0 | Rosuvastatin (3S,5R)-Isomer Methyl Ester | 1 |
| 1112968-42-9 | Contezolid | 1 |
| 1114543-47-3 | Rabeprazole N-Alkyl Sulfide | 1 |
| 1114544-31-8 | Ponatinib hydrochloride | 1 |
| 1114834-63-7 | Pravastatin 2,3-Anhydro Lactone | 1 |
| 1114975-39-1 | Dexibuprofen Isopropyl Ester | 1 |
| 1115028-69-7 | 2-(2-Aminopropoxy)-3-methylbenzaldehyde | 1 |
| 1116118-82-1 | Atorvastatin Di-acetonide tert-Butyl Ester | 1 |
| 1116338-10-3 | Levocetirizine Ethyl Ester | 1 |
| 1117893-66-9 | Dabigatran Impurity 36 | 1 |
| 1118566-46-3 | Desethyl alpha-Dapagliflozin Impurrity | 1 |
| 1118567-05-7 | Bexagliflozin | 1 |
| 1118567-45-5 | Bexagliflozin Aglycone Bromo Impurity | 1 |
| 1118765-14-2 | O-Desmethyl Apixaban Sulfate | 1 |
| 1118767-16-0 | Semaglutide Impurity 22 | 1 |
| 1118786-86-9 | tert-Butyl (6-oxospiro[3.3]heptan-2-yl)carbamate, 98% | 1 |
| 1118884-66-4 | Methyl 2-methyl-4-(2-methylbenzamido)benzoate | 1 |
| 1119226-56-0 | Methyl Orlistat | 1 |
| 1119226-97-9 | Lercanidipine Impurity B | 1 |
| 1121585-09-8 | 2,6-Dichloro-4-(Methylsulfonyl)Benzoic Acid | 1 |
| 1121585-10-1 | Pimozide Impurity 5 | 1 |
| 1122047-98-6 | cis-Clopidogrel-MP Derivative (Pair of Enantiomers) | 1 |
| 1122549-43-2 | N-(5-Chloro-2-pyridinyl)-3-(hydroxymethyl)-2-pyrazinecarboxamide | 1 |
| 1123211-65-3 | Clindamycin Palmitate Sulfoxide | 1 |
| 1123211-66-4 | Clindamycin Myristate | 1 |
| 1123211-67-5 | Clindamycin Pentadecanoate | 1 |
| 1123211-69-7 | Clindamycin Heptadecanoate | 1 |
| 1123211-70-0 | Clindamycin Stearate | 1 |
| 1123837-84-2 | Sitravatinib(MGCD 516) | 1 |
| 1124197-58-5 | Fluconazole-d4 | 1 |
| 1126032-65-2 | Iso-mogroside V | 1 |
| 1126461-54-8 | Dalbavancin-d6 | 1 |
| 1126611-84-4 | Fesoterodine D7 | 1 |
| 1126621-86-0 | N-Boc-piperazine-d8 | 1 |
| 1126623-89-9 | Axitinib-d3 | 1 |
| 1126721-79-6 | Sunitinib-d4 | 1 |
| 1126721-82-1 | Sunitinib D10 | 1 |
| 1126745-58-1 | Ziprasidone-d8 | 1 |
| 1126745-65-0 | Eletriptan-d5 | 1 |
| 1126745-90-1 | Sildenafil-d3 | 1 |
| 1126848-44-9 | Doxazosin-d8 | 1 |
| 1127120-38-0 | Linezolid-d3 | 1 |
| 1127226-56-5 | Tiotropium-d3 Bromide | 1 |
| 1127249-17-5 | 5-(4'-(Dibromomethyl)-[1,1'-biphenyl]-2-yl)-1H-tetrazole | 1 |
| 1127298-67-2 | Olmesartan Medoxomil-D6 | 1 |
| 1127302-18-4 | (E)-4-Ethylhepta-2,6-dienoic acid | 1 |
| 1127452-94-1 | Aztreonam-d6 | 1 |
| 1127490-74-7 | tert-Butyl (1-([1,1'-biphenyl]-4-yl)-3-hydroxypropan-2-yl)carbamate | 1 |
| 1128086-25-8 | Donepezil-d5 | 1 |
| 1129491-38-8 | Rufinamide-d2 | 1 |
| 1129526-19-7 | Ethambutol-d4 Dihydrochloride | 1 |
| 1129540-33-5 | Paclitaxel-d5 | 1 |
| 1129634-44-1 | (S)-5-Boc-5-azaspiro[2.4]heptane-6-carboxylic Acid | 1 |
| 1129683-83-5 | 1-(4-Chloro-3-trifluoromethylphenyl)-3-(4-hydroxyphenyl)urea | 1 |
| 1129683-88-0 | N-Methyl-4-(4-ureidophenoxy)picolinamide | 1 |
| 1129683-92-6 | Sorafenib Phenyl Carbamate Impurity | 1 |
| 1130050-35-9 | Ciprofloxacin-d8 | 1 |
| 1130115-44-4 | Sorafenib-d3 | 1 |
| 1130164-93-0 | Sorafenib beta-D-Glucuronide | 1 |
| 1130635-75-4 | Hydroxy Darunavir | 1 |
| 1130899-41-0 | Ibandronic Acid-D3 | 1 |
| 1130901-04-0 | Ethyl 6-bromo-5-hydroxy-1-methyl-4-((methylamino)methyl)-2-((phenylthio)methyl)-1H-indole-3-carboxylate | 1 |
| 1131004-99-3 | (S)-3-Nitro-6-((4-(trifluoromethoxy)benzyl)oxy)-6,7-dihydro-5H-imidazo[2,1-b][1,3]oxazine | 1 |
| 1131009-93-2 | Kaempferol 3,4`-diglucoside 7-rhamnoside | 1 |
| 1131341-46-2 | Dutasteride-d3 | 1 |
| 1131342-85-2 | Finasteride-d9 | 1 |
| 1131345-14-6 | Etoricoxib-d4 | 1 |
| 1131981-29-7 | Glimepiride-d4 | 1 |
| 1131996-12-7 | Apixaban-d3 | 1 |
| 1132093-70-9 | Dasatinib-d8 | 1 |
| 1132642-95-5 | Efavirenz-d5 | 1 |
| 1132650-67-9 | Lisinopril EP Impurity F | 1 |
| 1132654-54-6 | Lurasidone-d8 | 1 |
| 1132660-51-5 | Temsirolimus-d7 | 1 |
| 1132661-86-9 | Ramipril-d5 | 1 |
| 1132662-08-8 | Capecitabine-d11 | 1 |
| 1132667-04-9 | (R)-1-(3,4-Dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)-N-methylmethanamine | 1 |
| 1132681-23-2 | Nicorandil-d4 | 1 |
| 1132681-38-9 | Rivaroxaban-d4 | 1 |
| 1132709-14-8 | Bortezomib Diastereomer (S,S - Isomer) | 2 |
| 1132709-15-9 | Bortezomib Diastereomer (R,R-Isomer) | 1 |
| 1132709-16-0 | (1S,2R)-Bortezomib | 1 |
| 1132748-21-0 | Mycophenolate Mofetil-d4 | 1 |
| 1132757-82-4 | Ondansetron-d3 | 1 |
| 1132765-59-3 | Isolopinavir | 1 |
| 1132832-75-7 | 2-(5-Bromo-2-methylbenzoyl)-5-(4-fluorophenyl)thiophene | 1 |
| 1132832-76-8 | TMS- Hydroxy Canagliflozin | 1 |
| 1132887-26-3 | N-Cyano-N′-nitrosoguanidine | 1 |
| 1133208-42-0 | Vildagliptin-d7 | 1 |
| 1133210-23-7 | Levocetirizine-d4 | 1 |
| 1133229-30-7 | Levetiracetam-d6 | 1 |
| 1133378-37-6 | Darunavir-d9 | 1 |
| 1133386-93-2 | Alfuzosin-d7 | 1 |
| 1133387-60-6 | Aprepitant-d4 | 1 |
| 1133419-00-7 | Ethyl 7-chloro-5-oxo-1-tosyl-2,3,4,5-tetrahydro-1H-benzo[b]azepine-4-carboxylate | 1 |
| 1133421-35-8 | Alogliptin-d3 | 1 |
| 1133425-75-8 | Deferasirox-d4 | 1 |
| 1133695-49-4 | Bazedoxifene-d4 | 1 |
| 1133705-56-2 | Carvedilol-d4 | 1 |
| 1133706-15-6 | (1R,2S)-Bortezomib-d5 | 1 |
| 1133712-26-1 | Posaconazole-d4 | 1 |
| 1133712-96-5 | Letrozole-d4 | 1 |
| 1133811-49-0 | R Isomer Of Saxagliptin Amide | 1 |
| 1133881-04-5 | Escitalopram Acid impurity | 1 |
| 1134156-31-2 | VER-155008, ≥98% (HPLC) | 1 |
| 1134159-63-9 | Ramelteon D5 | 1 |
| 1134163-29-3 | Pioglitazone-d4 (Phenyl-d4) | 1 |
| 1134189-63-1 | Budesonide-d6 | 1 |
| 1134369-22-4 | Loperamide EP Impurity D Hydrochloride | 1 |
| 1134802-57-5 | (R)-Modafinil D5 | 1 |
| 1134803-16-9 | Imatinib-d4 | 1 |
| 1134803-18-1 | Imatinib-D3 | 1 |
| 1134807-34-3 | Haloperidol Decanoate EP Impurity H | 1 |
| 1134815-71-6 | Pimavanserin N-Oxide | 1 |
| 1135085-85-6 | 2-[(4-Chlorophenyl)methoxy]-N,N-dimethyl-ethanamine Hydrochloride | 1 |
| 1135087-86-3 | Nilotinib Impurity C (Hydrochloride) | 1 |
| 1135231-62-7 | Lidocaine EP Impurity E Hydrochloride | 1 |
| 1135334-50-7 | Promethazine Sulfoxide N-Oxide Hydrochloride | 1 |
| 1135339-49-9 | rac-2,3-Dehydro-3,4-dihydro Ivermectin | 1 |
| 1136426-19-1 | Gliclazide EP Impurity D | 1 |
| 1136478-30-2 | rac 5,6-Dehydro Pregabalin | 1 |
| 1137026-67-5 | Methyl 5-(((S)-2-((tert-butoxycarbonyl)amino)-3-(4-carbamoyl-2,6-dimethylphenyl)-N-((S)-1-(5-phenyl-1H-imidazol-2-yl)ethyl)propanamido)methyl)-2-methoxybenzoate | 1 |
| 1137606-74-6 | Favipiravir Impurity B | 1 |
| 1137606-76-8 | 6-Fluoro-3-hydroxypyrazine-2-carbonitrile Dibutylamine Salt | 1 |
| 1138238-08-0 | Bendamustine M3 | 1 |
| 1138245-13-2 | Mirogabalin | 1 |
| 1138245-15-4 | 2-((1S,5R,6R)-6-(Aminomethyl)-3-ethylbicyclo[3.2.0]hept-3-en-6-yl)acetic Acid | 1 |
| 1138245-20-1 | Tert-Butyl [(1R,5S,6S)-6-(aminomethyl)-3-ethylbicyclo[3.2.0]hept-3-en-6-yl]acetate | 1 |
| 1138245-21-2 | Mirogabalin besylate | 1 |
| 1138245-50-7 | Tert-Butyl 2-(3-ethylbicyclo[3.2.0]hept-3-en-6-ylidene)acetate | 1 |
| 1138246-18-0 | tert-Butyl 2-((1R,5S,6S)-3-ethyl-6-(nitromethyl)bicyclo[3.2.0]hept-3-en-6-yl)acetate | 1 |
| 1138343-10-8 | Tigecycline EP Impurity D | 1 |
| 1138395-12-6 | N-Cyclopropyl Bimatoprost | 1 |
| 1138444-80-0 | 4-Acetyl-2-methylbenzonitrile | 1 |
| 1138463-56-5 | 3-(2-Chloroethyl)-7,8-dihydro-2-methyl-4H-pyrido[1,2-a]pyrimidine-4,9(6H)-dione | 1 |
| 1139453-98-7 | N-Methyl-2-(4-methylpiperazin-1-yl)-N-(4-nitrophenyl)acetamide | 1 |
| 1139455-52-9 | Nintedanib Impurity D | 1 |
| 1139458-48-2 | Nintedanib acetyl impurity | 1 |
| 1140251-30-4 | Clofarabine α-Pyranosyl Formamide Impurity | 1 |
| 1140251-33-7 | N-[4-Amino-2-chloro-6-[(2-deoxy-2-fluoro-beta-D-arabinopyranosyl)amino]-5-pyrimidinyl]-formamide | 1 |
| 1140251-36-0 | N-(4,6-Diamino-2-chloro-pyrimidin-5-yl)-formamide | 1 |
| 1140891-02-6 | α-Decitabine-3',5'-bis(4-chlorobenzoate) | 1 |
| 1140908-89-9 | Carfilzomib Methoxide | 1 |
| 1140909-48-3 | Cabozantinib S-Malate | 1 |
| 1141362-54-0 | (S)-4,5-Dehydro Pregabalin | 1 |
| 1141362-94-8 | (S)-5,6-Dehydro Pregabalin | 1 |
| 1141397-80-9 | Cedazuridine | 1 |
| 1141925-31-6 | 7-Dehydroxyvancomycin B | 1 |
| 1142095-93-9 | Etravirine-d4 | 1 |
| 1142096-06-7 | Etravirine-d8 | 1 |
| 1142936-49-9 | N-(5-(4-(Hydroxymethyl)phenyl)-[1,2,4]triazolo[1,5-a]pyridin-2-yl)cyclopropanecarboxamide | 1 |
| 1142936-90-0 | N-(5-(p-Tolyl)-[1,2,4]triazolo[1,5-a]pyridin-2-yl)cyclopropanecarboxamide | 1 |
| 1142943-96-1 | Filgotinib Bromo-triazolopyridinyl Impurity | 1 |
| 1143349-11-4 | Piperaquine Impurity-G(Stage-II) | 1 |
| 1143516-05-5 | 17-Amino-10-oxo-3,6,12,15-tetraoxa-9-azaheptadecan-1-oic acid, 98% | 1 |
| 1143532-25-5 | Capivasertib (4-chlorophenyl)ethyl Impurity | 1 |
| 1143532-39-1 | Capivasertib | 1 |
| 1143532-51-7 | Capivasertib R-Isomer | 1 |
| 1143532-63-1 | (S)-4-Amino-N-(3-hydroxy-1-phenylpropyl)-1-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)piperidine-4-carboxamide | 1 |
| 1143533-62-3 | Capivasertib (4-chlorophenyl)propyl Impurity (S-Isomer) | 1 |
| 1143533-64-5 | Capivasertib (4-chlorophenyl)propyl Impurity (R-Isomer) | 1 |
| 1143534-01-3 | 4-Amino-4-(4-chlorophenyl)butan-1-ol | 1 |
| 1143534-36-4 | Capivasertib Impurity 3 | 1 |
| 1143534-59-1 | Capivasertib Piperidine Impurity | 1 |
| 1144516-15-3 | Neratinib Impurity 14 | 1 |
| 1144516-19-7 | Neratinib Impurity 4 | 1 |
| 1144516-20-0 | N-(4-((3-Chloro-4-(pyridin-2-ylmethoxy)phenyl)amino)-3-cyano-7-ethoxyquinolin-6-yl)formamide | 1 |
| 1145656-36-5 | (Z)-N-Methylmeloxicam | 1 |
| 1145664-35-2 | Valsartan Impurity 13 (Sodium Salt) | 1 |
| 1145671-36-8 | 4-Chloroquinazoline-6,7-diol | 1 |
| 1145671-52-8 | Desethynyl Erlotinib | 1 |
| 1146629-75-5 | Baricitinib Impurity 6 (Stage-1) | 1 |
| 1146629-76-6 | Baricitinib Impurity 6 (Stage-2) | 1 |
| 1146629-77-7 | Baricitinib Impurity 6 (Stage-3) | 1 |
| 1146629-80-2 | (R)-(4-(1-(2-Cyano-1-cyclopentylethyl)-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidin-7-yl)methyl Pivalate | 1 |
| 1146629-84-6 | (R)-3-Cyclopentyl-3-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl)propanenitrile | 1 |
| 1146977-93-6 | Atorvastatin EP Impurity M | 1 |
| 1147182-15-7 | Gemcitabine 3-benzoate | 1 |
| 1147299-71-5 | Safinamide-d3 | 1 |
| 1147403-03-9 | Vildagliptin β-D-Glucuronide | 1 |
| 1147524-83-1 | Zileuton Sulfoxide | 1 |
| 1147527-36-3 | Bis(ethylpyridyl) Pioglitazone Analog | 1 |
| 1147548-83-1 | Tizanidine EP Impurity C | 1 |
| 1147548-85-3 | Tizanidine Impurity F | 1 |
| 1147892-29-2 | Methyl 5-methyl-2-nitro-4-[(1-oxobutyl)amino]benzoate | 1 |
| 1147893-81-9 | 5-[2-(1,2,3,4-Tetrahydro-2,8-dimethyl-5H-pyrido[4,3-b]indol-5-yl)ethyl]-2-pyridinecarboxylic acid | 1 |
| 1147893-84-2 | 2,8-Dimethyl-5-[2-(6-methylpyridin-3-yl)ethyl]-2,3,4,5-tetrahydro-1H-pyrido[4,3-b]indole 2-oxide | 1 |
| 1147937-31-2 | (S)-N6,N6-dipropyl-4,5,6,7-tetrahydrobenzo[d]thiazole-2,6-diamine | 1 |
| 1147940-37-1 | Desvenlafaxine Benzoate | 1 |
| 1147996-34-6 | Fmoc-Ile-Ser(Psi(Me,Me)pro)-OH | 1 |
| 1148015-30-8 | Clopidogrel Active Metabolite | 1 |
| 1148113-53-4 | (R,R,R)-Aprepitant | 1 |
| 1148154-91-9 | Rotigotine EP Impurity H | 1 |
| 1149352-55-5 | 5-Methyl-2-(1H-1,2,3-triazol-1-yl)benzoic acid | 1 |
| 1149757-29-8 | (S,E)-4-Phenyl-3-(2-(1,2,6,7-tetrahydro-8H-indeno[5,4-b]furan-8-ylidene)acetyl)oxazolidin-2-one | 1 |
| 1149757-30-1 | (S)-4-Phenyl-3-(2-((S)-1,6,7,8-tetrahydro-2H-indeno[5,4-b]furan-8-yl)acetyl)oxazolidin-2-one | 1 |
| 1150310-15-8 | Entacapone EP Impurity H | 1 |
| 1150310-68-1 | Levocetirizine N-benzyl Amide | 1 |
| 1150311-95-7 | Betamethasone Impurity 15 | 1 |
| 1150560-54-5 | Elagolix Iodo Pyrimidinedione Impurity | 1 |
| 1150560-59-0 | 5-(2-Fluoro-3-methoxyphenyl)-1-[[2-fluoro-6-(trifluoromethyl)phenyl]methyl]-6-methyl-2,4(1H,3H)-pyrimidinedione | 1 |
| 1150883-75-2 | Ertapenemic Acid | 1 |
| 1151240-91-3 | Sitagliptin ethyl ester impurity | 1 |
| 1151467-21-8 | 6',7-Naloxol-Naloxone | 1 |
| 1151665-78-9 | Ethyl 3-(1-ethylpropoxy)benzoate | 1 |
| 1151893-81-0 | Rivaroxaban EP Impurity I | 1 |
| 1151904-84-5 | Prasugrel Acetyl Hydrochloride Impurity | 1 |
| 1151904-85-6 | Prasugrel Acetyl Impurity | 1 |
| 1152131-73-1 | 5-(4-((3-Chloro-4-((3-fluorobenzyl)oxy)phenyl)amino)quinazolin-6-yl)furan-2-carboxylic Acid | 1 |
| 1152185-58-4 | Montelukast Sulphoxide | 1 |
| 1152311-62-0 | Tezacaftor | 1 |
| 1152311-90-4 | (R)-1-(2,2-Difluorobenzo[d][1,3]dioxol-5-yl)-N-(1-((2,2-dimethyl-1,3-dioxolan-4-yl)methyl)-6-fluoro-2-(1-hydroxy-2-methylpropan-2-yl)-1H-indol-5-yl)cyclopropane-1-carboxamide | 1 |
| 1152311-99-3 | Tezacaftor Enantiomer | 1 |
| 1152314-62-9 | N-Nitroso Levofloxacin EP Impurity B | 1 |
| 1152425-66-5 | Luseogliflozin hydrate | 1 |
| 1152440-23-7 | Ethoxy Carbonyl Methyl Ester Impurity | 1 |
| 1153949-11-1 | Tert-Butyl 3-(cyanomethylene)azetidine-1-carboxylate | 1 |
| 1153949-15-5 | tert-Butyl 3-(cyanomethyl)-3-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl)azetidine-1-carboxylate | 1 |