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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-methyl-5-oxo-3-thioxo-2,3,4,5-tetrahydro-[1,2,4]triazine-6-carboxylic acid <i>N</i>'-formyl-hydrazide 56616-44-5 C6H7N5O3S
    4-methyl-5-oxo-3-thioxo-2,3,4,5-tetrahydro-[1,2,4]triazine-6-carboxylic acid <i>N</i>'-formyl-hydrazide
    —— 4,4'-(2,2'-<i>p</i>-phenylene-dipropyl)-bis-morpholine 57236-25-6 C20H32N2O2
    4,4'-(2,2'-<i>p</i>-phenylene-dipropyl)-bis-morpholine
    —— 4-Cyclopropyl-7-fluoro-5-methyl-6(octahydropyrrolo[3,4-b]pyridin-6-yl)pyrido[1,2-c]pyrimidine-1,3-dione 477702-92-4 C19H23FN4O2
    4-Cyclopropyl-7-fluoro-5-methyl-6(octahydropyrrolo[3,4-b]pyridin-6-yl)pyrido[1,2-c]pyrimidine-1,3-dione
    —— 4-Methyl-N-[5-(3-methyl-butylsulfanyl)-[1,3,4]thiadiazol-2-yl]-benzenesulfonamide 42013-11-6 C14H19N3O2S3
    4-Methyl-N-[5-(3-methyl-butylsulfanyl)-[1,3,4]thiadiazol-2-yl]-benzenesulfonamide
    —— 4-Tolyl-2-fluorobenzoat 55270-75-2 C14H11FO2
    4-Tolyl-2-fluorobenzoat
    —— 4-(2,5-dichlorophenyl)sulfonyl-N-ethyl-2-(furan-2-yl)-1,3-oxazol-5-amine 342433-33-4 C15H12Cl2N2O4S
    4-(2,5-dichlorophenyl)sulfonyl-N-ethyl-2-(furan-2-yl)-1,3-oxazol-5-amine
    —— 4-butylamino-1-(4-chloro-phenyl)-2,5-dioxo-2,5-dihydro-pyrrole-3-carboxylic acid toluene-4-sulfonylamide 56414-22-3 C22H22ClN3O5S
    4-butylamino-1-(4-chloro-phenyl)-2,5-dioxo-2,5-dihydro-pyrrole-3-carboxylic acid toluene-4-sulfonylamide
    —— 4-{2-Cyano-3-[(R)-3-(1,1-dimethyl-2-naphthalen-2-yl-ethylamino)-2-hydroxy-propoxy]-phenyl}-butyric acid ethyl ester 246218-84-8 C30H36N2O4
    4-{2-Cyano-3-[(R)-3-(1,1-dimethyl-2-naphthalen-2-yl-ethylamino)-2-hydroxy-propoxy]-phenyl}-butyric acid ethyl ester
    —— 4-aminomethyl-2-(2-chlorobenzyl)-6-(4-fluoro-3-methyl phenyl)-2H-pyridazin-3-one hydrochloride 639821-99-1 C19H17ClFN3O*ClH
    4-aminomethyl-2-(2-chlorobenzyl)-6-(4-fluoro-3-methyl phenyl)-2H-pyridazin-3-one hydrochloride
    —— 4-{2-[2-(4-chloro-phenyl)-4,5,6,7-tetrahydro-2H-indazol-3-yl]-2-cyclohexyl-ethoxy}-3,5-dimethyl-benzoic acid 1219495-93-8 C30H35ClN2O3
    4-{2-[2-(4-chloro-phenyl)-4,5,6,7-tetrahydro-2H-indazol-3-yl]-2-cyclohexyl-ethoxy}-3,5-dimethyl-benzoic acid
    —— (4-fluorophenyl)-[4-(2-methoxyethyl)piperazin-1-ylsulphonylmethyl]-ketone 654676-57-0 C15H21FN2O4S
    (4-fluorophenyl)-[4-(2-methoxyethyl)piperazin-1-ylsulphonylmethyl]-ketone
    —— 4-[4-(4-bromophenyl)-1H-imidazol-2-ylmethyl]-2-dipropylaminomethylphenol 1609658-40-3 C23H28BrN3O
    4-[4-(4-bromophenyl)-1H-imidazol-2-ylmethyl]-2-dipropylaminomethylphenol
    —— 4-[(3-cyano-4-methoxypyridin-2-yl)oxy]-2,5-difluoro-N-(methylsulfonyl)benzamide 1355065-26-7 C15H11F2N3O5S
    4-[(3-cyano-4-methoxypyridin-2-yl)oxy]-2,5-difluoro-N-(methylsulfonyl)benzamide
    —— 4-Methyl-1-thioacetyl-piperidin 25530-19-2 C8H15NS
    4-Methyl-1-thioacetyl-piperidin
    —— 4-((Z)-1-Trimethylsilanyl-oct-1-enyl)-phenol 110598-49-7 C17H28OSi
    4-((Z)-1-Trimethylsilanyl-oct-1-enyl)-phenol
    —— 4-(8-chlorooctyloxy)benzaldehyde 1188402-72-3 C15H21ClO2
    4-(8-chlorooctyloxy)benzaldehyde
    —— 4-nitrobenzyl (4R,5S,6S)-6-((R)-1-((tert-butyldimethylsilyl)oxy)ethyl)-3-(ethylsulfinyl)-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate 158168-50-4 C25H36N2O7SSi
    4-nitrobenzyl (4R,5S,6S)-6-((R)-1-((tert-butyldimethylsilyl)oxy)ethyl)-3-(ethylsulfinyl)-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate
    —— 4-Dimethylamino-1,6-dihydro-1-methyl-6-thio-pyrimidin 1075-43-0 C7H11N3S
    4-Dimethylamino-1,6-dihydro-1-methyl-6-thio-pyrimidin
    —— 4-Bromo-3-methoxy-1H-pyrazol-5-amine 1934363-33-3 C4H6BrN3O
    4-Bromo-3-methoxy-1H-pyrazol-5-amine
    —— 4-(2',4'-dimethylphenyl)-2-quinolone-3-acetic acid 93424-30-7 C19H17NO3
    4-(2',4'-dimethylphenyl)-2-quinolone-3-acetic acid
    —— (4aS,4bR,5S,6aS,6bR,9aS,10aS,10bS,12S)-4b,12-difluoro-5-hydroxy-6b-(2-hydroxy-acetyl)-4a,6a-dimethyl-8-(4-trifluoromethyl-phenyl)-4a,4b,5,6,6a,6b,8,9,9a,10,10a,10b,11,12-tetradecahydro-7-oxa-8-aza-pentaleno[2,1-a]phenanthren-2-one 1400572-02-2 C29H30F5NO5
    (4aS,4bR,5S,6aS,6bR,9aS,10aS,10bS,12S)-4b,12-difluoro-5-hydroxy-6b-(2-hydroxy-acetyl)-4a,6a-dimethyl-8-(4-trifluoromethyl-phenyl)-4a,4b,5,6,6a,6b,8,9,9a,10,10a,10b,11,12-tetradecahydro-7-oxa-8-aza-pentaleno[2,1-a]phenanthren-2-one
    —— 4-Imino-6-methylsulfanyl-2-oxo-1,3-diphenyl-1,2,3,4-tetrahydro-pyrimidine-5-carbonitrile 100890-44-6 C18H14N4OS
    4-Imino-6-methylsulfanyl-2-oxo-1,3-diphenyl-1,2,3,4-tetrahydro-pyrimidine-5-carbonitrile
    —— 4-[6-(Cyclopropylmethylamino)imidazo[1,2-b]pyridazin-3-yl]-2-methylbenzoic acid 1033244-93-7 C18H18N4O2
    4-[6-(Cyclopropylmethylamino)imidazo[1,2-b]pyridazin-3-yl]-2-methylbenzoic acid
    —— 4-methyl-1-oxo-1,2-dihydro-phthalazine-6-carboxylic acid 3-trifluoromethyl-benzylamide 1028336-68-6 C18H14F3N3O2
    4-methyl-1-oxo-1,2-dihydro-phthalazine-6-carboxylic acid 3-trifluoromethyl-benzylamide
    —— 4,5-dimethyl-1'-[4-(1-methyl-piperidin-4-yl)-butyl]-1H,1'H-[2,5']bibenzoimidazolyl 1161426-11-4 C26H33N5
    4,5-dimethyl-1'-[4-(1-methyl-piperidin-4-yl)-butyl]-1H,1'H-[2,5']bibenzoimidazolyl
    —— 4-chloro-1-methoxy-3H-indol-2-one 91523-33-0 C9H8ClNO2
    4-chloro-1-methoxy-3H-indol-2-one
    —— 4,9-dihydro-4,9-dioxo-3-ethoxycarbonyl-2-methyl-1H-benzo[f]indole 74013-98-2 C16H13NO4
    4,9-dihydro-4,9-dioxo-3-ethoxycarbonyl-2-methyl-1H-benzo[f]indole
    —— 4-Azido-N-[2-(2-hydroxymethyl-phenylsulfanyl)-benzyl]-butyramide 595607-26-4 C18H20N4O2S
    4-Azido-N-[2-(2-hydroxymethyl-phenylsulfanyl)-benzyl]-butyramide
    —— 4-(4-ethoxy-phenyl)-1-(2,4-dinitro-phenyl)-semicarbazide 92578-31-9 C15H15N5O6
    4-(4-ethoxy-phenyl)-1-(2,4-dinitro-phenyl)-semicarbazide
    —— (4aS,5S,6R,7aS,7bS)-5-(acetoxy)-6-[((1,1-dimethylethyl)dimethylsiloxy)methyl]-5,6,7a,7b-tetrahydro-2H-1,7-dioxacyclopent[cd]inden-4(4aH)-one 389620-64-8 C18H28O6Si
    (4aS,5S,6R,7aS,7bS)-5-(acetoxy)-6-[((1,1-dimethylethyl)dimethylsiloxy)methyl]-5,6,7a,7b-tetrahydro-2H-1,7-dioxacyclopent[cd]inden-4(4aH)-one
    —— 4-[5-[[2-(4-phenylpiperidin-1-yl)-4-(trifluoromethyl)-5-thiazolyl]carbonylamino]-2-pyridinyl]-N-(2-fluorophenyl)-1-piperazinecarboxamide 1228001-07-7 C32H31F4N7O2S
    4-[5-[[2-(4-phenylpiperidin-1-yl)-4-(trifluoromethyl)-5-thiazolyl]carbonylamino]-2-pyridinyl]-N-(2-fluorophenyl)-1-piperazinecarboxamide
    —— 4-N-(azetidin-3-yl)-6-fluoro-4-N,8-N-dimethyl-2-(2-methylpyrimidin-5-yl)oxy-9H-pyrimido[4,5-b]indole-4,8-diamine 1400804-29-6 C20H21FN8O
    4-N-(azetidin-3-yl)-6-fluoro-4-N,8-N-dimethyl-2-(2-methylpyrimidin-5-yl)oxy-9H-pyrimido[4,5-b]indole-4,8-diamine
    —— 4-(dimethylamino)-N-(3-(2-((4-(dimethylamino)phenyl)(hydroxy)methylene)hydrazineyl)-2-nitroallylidene)benzohydrazonic acid 85352-77-8 C21H25N7O4
    4-(dimethylamino)-N-(3-(2-((4-(dimethylamino)phenyl)(hydroxy)methylene)hydrazineyl)-2-nitroallylidene)benzohydrazonic acid
    —— 4'-O-benzyloxycarbonyl-4'-O-demethyl-4-deoxy-4-formyl-epipodophyllotoxin 491580-74-6 C30H26O10
    4'-O-benzyloxycarbonyl-4'-O-demethyl-4-deoxy-4-formyl-epipodophyllotoxin
    —— 4,4',6,6'-Tetra-tert-butyl-2,2'-(1,4-naphthylen)dibenzoxazol 83341-46-2 C40H46N2O2
    4,4',6,6'-Tetra-tert-butyl-2,2'-(1,4-naphthylen)dibenzoxazol
    —— 4-(2-((tert-butyl)hydroxymethyl)acryloyloxy)-2,2,6,6-tetramethylpiperidine-1-oxyl 1414365-11-9 C17H32NO4
    4-(2-((tert-butyl)hydroxymethyl)acryloyloxy)-2,2,6,6-tetramethylpiperidine-1-oxyl
    —— 4-Propionyloxy-2H-1,3-benzoxathiol-2-on 94073-71-9 C10H8O4S
    4-Propionyloxy-2H-1,3-benzoxathiol-2-on
    —— 4,5-Diamino-3-piperidino-2-thio-uracil 91492-38-5 C9H15N5OS
    4,5-Diamino-3-piperidino-2-thio-uracil
    —— 4-[(6-Fluoroquinazolin-4-yl)amino]benzoic acid 1328567-32-3 C15H10FN3O2
    4-[(6-Fluoroquinazolin-4-yl)amino]benzoic acid
    —— 4-[1-(4-Hydroxy-phenyl)-1-methyl-ethyl]-naphthalen-1-ol 94302-64-4 C19H18O2
    4-[1-(4-Hydroxy-phenyl)-1-methyl-ethyl]-naphthalen-1-ol
    —— 4-Acetoxy-7-methoxy-6-octyloxy-quinoline-3-carboxylic acid ethyl ester 25552-93-6 C23H31NO6
    4-Acetoxy-7-methoxy-6-octyloxy-quinoline-3-carboxylic acid ethyl ester
    —— 4-Methoxybenzylchlorid-1,2,6-<sup>14</sup>C 92401-31-5 C8H9ClO
    4-Methoxybenzylchlorid-1,2,6-<sup>14</sup>C
    —— 4-Nitro-monothiobenzoesaeure-<4-chlor-benzylester> 96982-87-5 C14H10ClNO3S
    4-Nitro-monothiobenzoesaeure-<4-chlor-benzylester>
    —— 4-Dimethylaminobenzaldehyd-(azobenzol-4-sulfonylhydrazon) 2920-58-3 C21H21N5O2S
    4-Dimethylaminobenzaldehyd-(azobenzol-4-sulfonylhydrazon)
    —— <4-<sup>14</sup>C>Leucin 3409-49-2 C6H13NO2
    <4-<sup>14</sup>C>Leucin
    —— 4-hexamethyleneimino-2,2,6,6-tetramethylpiperidine 95761-16-3 C15H30N2
    4-hexamethyleneimino-2,2,6,6-tetramethylpiperidine
    —— 4,5,8b,9a-Tetrahydro-9-oxa-cyclopropa[e]pyrene-4,5-diol 57405-12-6 C16H12O3
    4,5,8b,9a-Tetrahydro-9-oxa-cyclopropa[e]pyrene-4,5-diol
    —— 4-methyl-5-oxo-3-thioxo-2,3,4,5-tetrahydro-[1,2,4]triazine-6-carboxylic acid <i>N</i>'-acetyl-hydrazide 56616-50-3 C7H9N5O3S
    4-methyl-5-oxo-3-thioxo-2,3,4,5-tetrahydro-[1,2,4]triazine-6-carboxylic acid <i>N</i>'-acetyl-hydrazide
    —— 4-Oxo-2-phenyl-3,4-dihydro-9H-pyrimido(4,5-b)indol 56493-46-0 C16H11N3O
    4-Oxo-2-phenyl-3,4-dihydro-9H-pyrimido(4,5-b)indol
    —— 4-[[4-[[(2S)-1-azido-3-carboxypropan-2-yl]carbamoyl]cyclohexyl]methylsulfamoyl]benzoic acid 1027242-46-1 C19H25N5O7S
    4-[[4-[[(2S)-1-azido-3-carboxypropan-2-yl]carbamoyl]cyclohexyl]methylsulfamoyl]benzoic acid