| CAS登錄號 | 中文名 | 英文名 | 分子結構式 | 分子式 | 詳情 | 供應商 |
| 209-29-0 | 4H-Imidazo[1,5,4-de]quinoxaline(8CI,9CI); 4H-Imidazo[1,5,4-de]quinoxaline(8CI,9CI) |  | C9H7N3 | 詳情 | 供應商 | |
| 194666-09-6 | 4H-Imidazol-4-one,2-ethyl-3,5-dihydro-5-methyl-; 4H-Imidazol-4-one,2-ethyl-1,5-dihydro-5-methyl- (9CI) |  | C6H10N2O | 詳情 | 供應商 | |
| 193808-59-2 | 4,5-Pyridazinediol,hexahydro-3-methyl-, (3R,4R,5S)-rel-; 4,5-Pyridazinediol,hexahydro-3-methyl-, (3a,4b,5b)- (9CI) |  | C5H12N2O2 | 詳情 | 供應商 | |
| 193740-34-0 | 4,7-Diazaspiro[2.5]octane-5,8-dione,6-(1-methylethyl)-, (6S)-; 4,7-Diazaspiro[2.5]octane-5,8-dione,6-(1-methylethyl)-, (S)- (9CI) |  | C9H14N2O2 | 詳情 | 供應商 | |
| 193540-75-9 | 4,5-Pyridazinediol,hexahydro-3-(hydroxymethyl)-, (3R,4R,5S)-rel-; 4,5-Pyridazinediol,hexahydro-3-(hydroxymethyl)-, (3a,4b,5b)- |  | C5H12N2O3 | 詳情 | 供應商 | |
| 193540-72-6 | 4,5-Pyridazinediol,hexahydro-3-(hydroxymethyl)-,(3R,4R,5R)-rel-(9CI); 4,5-Pyridazinediol,hexahydro-3-(hydroxymethyl)-,(3R,4R,5R)-rel-(9CI) |  | C5H12N2O3 | 詳情 | 供應商 | |
| 193538-83-9 | 4-Piperidinecarboxylicacid, 1-(cyclopropylmethyl)-; 1-Cyclopropylmethylpiperidine-4-carboxylicacid |  | C10H17NO2 | 詳情 | 供應商 | |
| 193538-79-3 | 4-Pyridinecarbonylchloride, 2-methoxy-; 4-Pyridinecarbonyl chloride, 2-methoxy- (9CI) |  | C7H6ClNO2 | 詳情 | 供應商 | |
| 193359-26-1 | 4-Piperidinol,1-[2-(4-hydroxyphenoxy)ethyl]-4-[(4-methylphenyl)methyl]-; 1-[2-(4-Hydroxyphenoxy)ethyl]-4-[(4-methylphenyl)methyl]-4-piperidinol; Co 101244; PD 174494; Ro 63-1908 |  | C21H27NO3 | 詳情 | 供應商 | |
| 193222-44-5 | 4a(2H)-Naphthalenecarbonitrile,1,3,4,5,6,7-hexahydro-7-oxo-, (4aS)-; 4a(2H)-Naphthalenecarbonitrile,1,3,4,5,6,7-hexahydro-7-oxo-, (S)- (9CI) |  | C11H13NO | 詳情 | 供應商 | |
| 193147-02-3 | 4H-Pyrazol-4-one,1,5-dihydro-1,3,5,5-tetramethyl-, oxime; 4H-Pyrazol-4-one, 1,5-dihydro-1,3,5,5-tetramethyl-, oxime |  | C7H13N3O | 詳情 | 供應商 | |
| 193096-43-4 | 4-Quinolinemethanol,6-hydroxy-; 4-Quinolinemethanol,6-hydroxy-(9CI) |  | C10H9NO2 | 詳情 | 供應商 | |
| 193071-37-3 | 4(3H)-Pyrimidinone,2,6-bis(hydroxymethyl)-; 4(1H)-Pyrimidinone,2,6-bis(hydroxymethyl)- (9CI) |  | C6H8N2O3 | 詳情 | 供應商 | |
| 192631-47-3 | 4(3H)-Pyrimidinone,2-ethyl-5-methyl-; 4(1H)-Pyrimidinone,2-ethyl-5-methyl- (9CI) |  | C7H10N2O | 詳情 | 供應商 | |
| 191615-51-7 | 4-Pentynoic acid,2-amino-2,3-dimethyl-; 4-Pentynoicacid,2-amino-2,3-dimethyl-(9CI) |  | C7H11NO2 | 詳情 | 供應商 | |
| 191615-50-6 | 4-Pentenoic acid,2-amino-2,3-dimethyl-; 4-Pentenoicacid,2-amino-2,3-dimethyl-(9CI) |  | C7H13NO2 | 詳情 | 供應商 | |
| 191615-42-6 | 4-Pentynoic acid,2-amino-3,3-dimethyl-, methyl ester; 4-Pentynoicacid,2-amino-3,3-dimethyl-,methylester(9CI) |  | C8H13NO2 | 詳情 | 供應商 | |
| 191535-55-4 | 4-Pyridinecarboxylicacid, 2-(1-methylethyl)-; 2-Isopropylisonicotinicacid |  | C9H11NO2 | 詳情 | 供應商 | |
| 191400-74-5 | 4H-1,3-Oxazin-4-one,6-methyl-2-(1-methylethyl)-; 4H-1,3-Oxazin-4-one,6-methyl-2-(1-methylethyl)-(9CI) |  | C8H11NO2 | 詳情 | 供應商 | |
| 191351-84-5 | 4-Penten-1-one,2,2-difluoro-1-(1-piperazinyl)-; Piperazine,1-(2,2-difluoro-1-oxo-4-pentenyl)- (9CI) |  | C9H14F2N2O | 詳情 | 供應商 | |