| CAS登录号 | 中文名 | 英文名 | 分子结构式 | 分子式 | 详情 | 供应商 |
| 83990-20-9 | 4-Oxazolecarboxamide,5-mercapto-2-methyl-; 4-Oxazolecarboxamide,5-mercapto-2-methyl-(9CI) |  | C5H6N2O2S | 详情 | 供应商 | |
| 83959-47-1 | 4-Pyrimidinecarboxaldehyde,O-methyloxime; 4-Pyrimidinecarboxaldehyde, O-methyloxime (9CI) |  | C6H7N3O | 详情 | 供应商 | |
| 80-76-2 | 4,6-Dibenzothiophenedisulfonicacid, 3,7-diamino-, 5,5-dioxide; 3,7-diaminobiphenyl sulfone-4,6-disulfonic acid |  | C12H10N2O8S3 | 详情 | 供应商 | |
| 76663-29-1 | 4H-1,3-Benzodioxin,6-methyl-; 1,3-Benzodioxan,6-methyl- (6CI,7CI) |  | C9H10O2 | 详情 | 供应商 | |
| 753486-91-8 | 4-Isoxazolecarboxylicacid, 5-hydroxy-3-methyl-, methyl ester; 4-Isoxazolecarboxylic acid, 5-hydroxy-3-methyl-, methyl ester (9CI) |  | C6H7NO4 | 详情 | 供应商 | |
| 753486-90-7 | 4-Isoxazolecarboxylicacid, 2,3-dihydro-3-oxo-, ethyl ester; 4-Isoxazolecarboxylicacid,2,3-dihydro-3-oxo-,ethylester(9CI) |  | C6H7NO4 | 详情 | 供应商 | |
| 752201-35-7 | 4(6H)-Quinolinone; 4(6H)-Quinolinone(9CI) |  | C9H7NO | 详情 | 供应商 | |
| 115299-08-6 | 4-Thiazolecarboxylicacid, 2-(3-methoxyphenyl)-, ethyl ester; 2-(3-METHOXY-PHENYL)-THIAZOLE-4-CARBOXYLIC ACID ETHYL ESTER |  | C13H13NO3S | 详情 | 供应商 | |
| 749926-95-2 | 4-Pentenoic acid,2-amino-2,3-dimethyl-, (2S,3R)-; 4-Pentenoicacid,2-amino-2,3-dimethyl-,(2S,3R)-(9CI) |  | C7H13NO2 | 详情 | 供应商 | |
| 749926-22-5 | 4H,9H-Pyrrolo[1,2-d][1,2,3]triazolo[1,5-a]pyrazin-9-one; 4H,9H-Pyrrolo[1,2-a][1,2,3]triazolo[1,5-d]pyrazin-9-one(9CI) |  | C8H6N4O | 详情 | 供应商 | |
| 749888-60-6 | 4-Pyridinecarboxamide,N-(2,3,4-trifluorophenyl)-; 4-Pyridinecarboxamide,N-(2,3,4-trifluorophenyl)-(9CI) |  | C12H7F3N2O | 详情 | 供应商 | |
| 749216-36-2 | 4-Pyrimidinepropanoicacid, a-fluoro-b-oxo-, ethyl ester; 4-Pyrimidinepropanoic acid, alpha-fluoro-beta-oxo-, ethyl ester (9CI) |  | C9H9FN2O3 | 详情 | 供应商 | |
| 76510-61-7 | 4(3H)-Pyrimidinone,5-iodo-2-(methylthio)-; 4(1H)-Pyrimidinone,5-iodo-2-(methylthio)- (9CI); 2-(Methylthio)-4-hydroxy-5-iodopyrimidine; 2S-Methyl-5-iodo-2-thiouracil; 5-Iodo-2-(methylthio)-4(3H)-pyrimidinone; 5-Iodo-2-(methylthio)uracil |  | C5H5IN2OS | 详情 | 供应商 | |
| 76369-12-5 | 4H-1,3-Benzodioxin,2,4-bis(1-methylethyl)-; 4H-1,3-Benzodioxin,2,4-bis(1-methylethyl)-(9CI) |  | C14H20O2 | 详情 | 供应商 | |
| 4874-30-0 | 4(3H)-Pyrimidinone,2-(methylthio)-5-(phenylmethoxy)-; 4(1H)-Pyrimidinone,2-(methylthio)-5-(phenylmethoxy)- (9CI); 4-Pyrimidinol,5-(benzyloxy)-2-(methylthio)- (7CI,8CI); 5-(Benzyloxy)-2-(methylthio)-4-pyrimidinone; NSC 94996 |  | C12H12N2O2S | 详情 | 供应商 | |
| 76348-95-3 | 4H-1-Benzopyran-4-one,2,3-dihydro-6,7-dihydroxy-2,2-dimethyl-; 4-Chromanone,6,7-dihydroxy-2,2-dimethyl- (7CI) |  | C11H12O4 | 详情 | 供应商 | |
| 76347-05-2 | 4,5-Isoxazoledione,3-methyl-, 4-(O-ethyloxime); 4,5-Isoxazoledione,3-methyl-,4-(O-ethyloxime)(9CI) |  | C6H8N2O3 | 详情 | 供应商 | |
| 76344-92-8 | 4-Isoxazolecarboxylicacid, 5-(4-nitrophenyl)-, ethyl ester; ETHYL-5-(4-NITROPHENYL)-ISOXAZOLE-4-CARBOXYLATE |  | C12H10N2O5 | 详情 | 供应商 | |
| 76344-89-3 | 4-Isoxazolecarboxylicacid, 5-(2-chlorophenyl)-, ethyl ester; ETHYL-5-(2-CHLOROPHENYL)-ISOXAZOLE-4-CARBOXYLATE |  | C12H10ClNO3 | 详情 | 供应商 | |
| 76344-88-2 | 4-Isoxazolecarboxylicacid, 5-(4-fluorophenyl)-, ethyl ester; ETHYL-5-(4-FLUOROPHENYL)-ISOXAZOLE-4-CARBOXYLATE |  | C12H10FNO3 | 详情 | 供应商 | |
