| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| 4H-环戊-1,3-二噁唑,5-乙烯基-2,2-二乙基四氢-,(3aR,6aS)-rel- | 6-Sulfoaminopenicillanic acid | 83670-99-9 | C8H12N2O6S2 |
| 4H-环庚三烯并[d]异噻唑-4-酮,5-羟基-(9CI) | C17 Azlactone | 176665-11-5 | C22H41NO2 |
| 4H-咪唑-4-酮,5-(4-氟苯基)-3,5-二氢-5-甲基-2-(甲硫基)-3-(苯基氨基)-,(S)- | (5S)-5-(4-Fluorophenyl)-3,5-dihydro-5-methyl-2-(methylthio)-3-(phenylamino)-4H-imidazol-4-one | 161326-35-8 | C17H16FN3OS |
| 4H-咪唑-4-酮,3,5-二氢-3-甲基-2-(苯基氨基)- | 3-Methyl-2-[(Z)-phenylimino]-imidazolidin-4-one | 135220-15-4 | C10H11N3O |
| 4H-吡喃并[4,3-d]噻唑,6,7-二氢- | Maltose hexastearate | 84214-65-3 | C120H226O17 |
| 4H-吡咯并[3,2,1-ij]喹啉-4,6(5H)-二酮,5-氯-1,2-二氢-5-硝基- | 2-Hydroxy-N,N-bis(2-hydroxyethyl)-N-ethyl-3-octyloxypropylammonium ethyl sulfate | 70776-73-7 | C19H43NO8S |
| 4H-3,1-苯并噁嗪-4-酮,2-(二甲氨基)-1-乙基-1,2-二氢- | 5-(4-benzyloxyphenyl)-4S-(7-phenylheptanoylamino)-pentanoic acid | 393569-31-8 | C31H37NO4 |
| 4H-1-苯并吡喃-4-酮,6-氨基-2-(3-氨基苯基)-(9CI) | 2-Hydroxypropanoic acid;2-(trimethylazaniumyl)acetate;urea | 80042-40-6 | C9H21N3O6 |
| 4H-1-苯并吡喃-4-酮,3-溴-6,7-二氯- | Tasidotin | 192658-64-3 | C32H58N6O5 |
| 4H-1,4-苯并噁嗪-4-乙酸,7-氯-2,3-二氢-3-羰基-,乙基酯 | (7-chloro-3-oxo-2,3-dihydro-benzo[1,4]oxazin-4-yl)-acetic acid ethyl ester | 139605-37-1 | C12H12ClNO4 |
| 4H-1,3-二噻英并[4,5-c]吡啶-5-甲醇,8-甲基- | Cytochrophin-4 | 97730-74-0 | C27H34N4O7 |
| 倍半碳酸钠 | Sodium sesquicarbonate | 533-96-0 | C2HNa3O6 |
| 4H,6H-1,3-二噁唑并[3,4]吡咯并[1,2-c]噁唑(8CI,9CI) | 3,3-Dimethylpiperidine-2,6-dicarboxylic acid | 774479-36-6 | C9H15NO4 |
| 4CI)-1-丁基-3-丙酰基脲 | <i>N</i>-butyryl-<i>N</i>'-propionyl-urea | 873384-48-6 | C8H14N2O3 |
| 4-(甲胺)丁酸氢酯 | 4-(methylamino)butyric acid hydrochloride | 6976-17-6 | C5H11NO2*ClH |
| 4-(氯甲基)-2,5-恶唑烷二酮 | DL-2,5-Dioxo-4-chlormethyloxazolidin | 3981-41-7 | C4H4ClNO3 |
| 4-(氯乙酰基)-3,3-二甲基-3,4-二氢喹喔啉-2(1H)-酮 | 4-(chloroacetyl)-3,3-dimethyl-3,4-dihydroquinoxalin-2(1H)-one | 727717-71-7 | C12H13ClN2O2 |
| 4-(2-氨基乙酰基)哌嗪-1-羧酸叔丁酯 | tert-butyl 4-(2-aminoacetyl)piperazine-1-carboxylate | 352359-09-2 | C11H21N3O3 |
| 4-顺式-氟-L-脯氨酸氨基.盐酸盐 | (4S)-4-fluoro-L-prolinamide hydrochloride | 426844-23-7 | C5H9FN2O*ClH |
| 4-醛基咪唑-1-乙酸 | 2-(4-Formyl-1H-imidazol-1-yl)acetic acid | 1303968-40-2 | C6H6N2O3 |
| 4-酮庚二酸 | 4-Ketopimelic acid | 502-50-1 | C7H10O5 |
| 4-酮-L-脯氨酸 | 4-oxoproline | 4347-18-6 | C5H7NO3 |
| 4-辛烯硼酸乙醇胺酸酯 | 2-Oct-4-en-4-yl-1,3,6,2-dioxazaborocane | 608534-40-3 | C12H24BNO2 |
| 4-辛烯-1-羧酸甲酯 | Methyl cyclooct-4-ene-1-carboxylate | 1129-33-5 | C10H16O2 |
| 4-辛伐他汀-8-洛伐他汀 | 4-simvastain-8-lovastatin | 851402-84-1 | C30H46O6 |
| 4-苯胺基-4-苯基-丁酸 | 4-anilino-4-phenylbutanoic acid | 175692-58-7 | C16H17NO2 |
| 4-苯胺基-2-苯基-2H-呋喃-5-酮 | 3-Anilino-5-phenyl-2,5-dihydro-furanon-(2) | 17408-56-9 | C16H13NO2 |
| 4-苯甲酰氨基-丁酸酰胺 | 4-benzoylamino-butyric acid amide | 59049-34-2 | C11H14N2O2 |
| 4-苯甲酰基-6-羟基-1-(2-苯基乙基)哌嗪-2-酮 | 1-(2-phenylethyl)-4-benzoyl-2-hydroxypiperazin-6-one | 87693-80-9 | C19H20N2O3 |
| 4-苯甲酰基-2-哌嗪酮 | 4-benzoylpiperazin-2-one | 13754-42-2 | C11H12N2O2 |
| 4-苯氧基-2-吡咯啉甲酸甲酯(HCl) | Methyl (2S,4S)-4-phenoxy-2-pyrrolidinecarboxylate hydrochloride | 93967-76-1 | C12H16ClNO3 |
| 4-苯基异缬氨酸 | 2-amino-2-methyl-4-phenyl-butyric acid | 5472-95-7 | C11H15NO2 |
| 4-苯基偶氮苄氧羰基-L-PRO-LEU-GLY-PRO-D-ARG衍生物 | 4-Phenylazobenyzloxycarbonyl-L-Pro-L-Leu-Gly-L-Pro-D-Arg | 17011-78-8 | C38H52N10O8 |
| 4-苯基乙酰乙酸乙酯 | ethyl 3-oxo-4-phenylbutyrate | 718-08-1 | C12H14O3 |
| 4-苯基-DL-苯丙氨酸 | p-phenylphenylalanine | 76985-08-5 | C15H15NO2 |
| 4-苯基-5-吡啶-4-基-4H-1,2,4-三唑-3-基2,3,4,6-四-O-乙酰基-1-硫代-β-D-吡喃半乳糖苷盐酸 | hydron;[(2R,3S,4S,5R,6S)-3,4,5-triacetyloxy-6-[(4-phenyl-5-pyridin-4-yl-1,2,4-triazol-3-yl)sulfanyl]oxan-2-yl]methyl acetate;chloride | —— | C27H29ClN4O9S |
| 4-苯基-5,5-二乙氧羰基-2-吡咯烷酮 | 4-phenyl-5,5-dicarbethoxy-2-pyrrolidinone | 13992-75-1 | C16H19NO5 |
| 4-苯基-4-羟基-2-氧代丁酸钠 | sodium 4-phenyl-4-hydroxy-2-oxobutyrate | 1138160-36-7 | C10H9O4*Na |
| 4-苯基-4-(苯基氨基)丁酸乙酯 | ethyl 4-phenyl-4-(phenylamino)butanoate | 1048329-73-2 | C18H21NO2 |
| 4-苯基-4,5-二氢-1,2,4-三嗪-6(1H)-酮 | 1,2,4-Triazin-6(1H)-one, 4,5-dihydro-4-phenyl- | 312282-31-8 | C9H9N3O |
| 4-苯基-3-氧代丁酸叔丁酯 | tert-butyl 4-phenyl-3-oxobutanoate | 66697-03-8 | C14H18O3 |
| 4-苯基-3,6-辛二酮 | 4-phenyl-3,6-octanedione | 100910-01-8 | C14H18O2 |
| 4-苯基-3,4-二氢吡咯并[1,2-a]吡嗪-1(2H)-酮 | 4-phenyl-1,2,3,4-tetrahydropyrrolo<1,2-a>pyrazin-1-one | 154283-98-4 | C13H12N2O |
| 4-苯基-3,4,6,7-四氢-1H-1,4,7-苯并三吖壬英-2,5-二酮 | 4-Phenyl-2,3,4,5,6,7-hexahydro-1H-1,4,7-benzotriazonin-2,5-dione | 139593-75-2 | C16H15N3O2 |
| 4-苯基-2-(S)-三氟甲烷磺酰基氧基-丁酸,乙酯 | 4-Phenyl-2-(S)-trifluoromethanesulfonyloxy-butyric Acid, Ethyl Ester | 138333-09-2 | C13H15F3O5S |
| 4-苯基-2,8-二氮杂螺[4.5]-3-癸酮 | 1-phenyl-3,8-diazaspiro<4,5>-2-decanone | 79139-66-5 | C14H18N2O |
| 4-苯基-1-[(2S)-2-(吡咯烷-1-羰基)吡咯烷-1-基]丁烷-1-酮 | SUAM-1221 | 112603-82-4 | C19H26N2O2 |
| 4-苯基-1,3-噻唑烷-2,5-二酮 | 4-phenyl-thiazolidine-2,5-dione | 41893-48-5 | C9H7NO2S |
| 4-苯乙基哌嗪-2-酮 | 4-(2-phenylethyl)-2-ketopiperazine | 23099-72-1 | C12H16N2O |
| 4-苯丙氨酰氨基安替比林 | (S)-alpha-Amino-N-(2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)benzenepropanamide | 62989-74-6 | C20H22N4O2 |