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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4,5-diphenyl-5H-1,2,3-oxathiazole 2,2-dioxide 1293372-29-8 C14H11NO3S
    4,5-diphenyl-5H-1,2,3-oxathiazole 2,2-dioxide
    —— 4-(3-Chloro-4-methylamino-phenylamino)-2,6-dimethyl-phenol 57838-99-0 C15H17ClN2O
    4-(3-Chloro-4-methylamino-phenylamino)-2,6-dimethyl-phenol
    —— 4-Piperidinol,3-methyl-2-[(1E,3E)-4-phenyl-1,3-butadien-1-yl]-, hydrochloride (1:1),(2R,3R,4S)- 26834-31-1 C16H21NO*ClH
    4-Piperidinol,3-methyl-2-[(1E,3E)-4-phenyl-1,3-butadien-1-yl]-, hydrochloride (1:1),(2R,3R,4S)-
    —— 4,4-Dimethyl-5α-androst-14-en-17-on 6561-05-3 C21H32O
    4,4-Dimethyl-5α-androst-14-en-17-on
    —— 4-Benzyloxy-3'-cyan-chalkon 33083-93-1 C23H17NO2
    4-Benzyloxy-3'-cyan-chalkon
    —— 4-benzoyloxyimino-6-oxo-1,4,5,6-tetrahydro-[1,3,5]triazine-2-carbaldehyde-(<i>O</i>-benzoyl oxime ) 60965-41-5 C18H13N5O5
    4-benzoyloxyimino-6-oxo-1,4,5,6-tetrahydro-[1,3,5]triazine-2-carbaldehyde-(<i>O</i>-benzoyl oxime )
    —— 4-Amino-6-cyclohexylamino-s-triazin-carbonsaeure-(2)-ethylester 91637-30-8 C12H19N5O2
    4-Amino-6-cyclohexylamino-s-triazin-carbonsaeure-(2)-ethylester
    —— 4-[2]naphthyloximethyl-1(3)<i>H</i>-imidazole 110179-88-9 C14H12N2O
    4-[2]naphthyloximethyl-1(3)<i>H</i>-imidazole
    —— 4-<N-Piperidinomethylen>-glutacononitril 95296-21-2 C11H13N3
    4-<N-Piperidinomethylen>-glutacononitril
    —— 4-ethyl-1-(3,4-dimethoxy-phenyl)-6,7-dimethoxy-3-methyl-isochromenylium; iodide 15462-90-5 C22H25O5*I
    4-ethyl-1-(3,4-dimethoxy-phenyl)-6,7-dimethoxy-3-methyl-isochromenylium; iodide
    —— 4-nitro-3-(2-m-tolyl-ethoxy)-benzoic acid methyl ester 1195944-83-2 C17H17NO5
    4-nitro-3-(2-m-tolyl-ethoxy)-benzoic acid methyl ester
    —— (4-(3,3'-bipyridin-2-yloxy)phenyl)(1H-benzo[d]imidazol-2-yl)methanone 1227173-21-8 C24H16N4O2
    (4-(3,3'-bipyridin-2-yloxy)phenyl)(1H-benzo[d]imidazol-2-yl)methanone
    —— (4R,5S,6R)-5-hydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2,4-diyl diacetate 1204310-76-8 C10H16O7
    (4R,5S,6R)-5-hydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2,4-diyl diacetate
    —— [4-(4-chlorophenyl)-5-sulfanylidene-1H-1,2,4-triazol-3-yl]-(3,5-dinitrophenyl)methanone 136774-03-3 C15H8ClN5O5S
    [4-(4-chlorophenyl)-5-sulfanylidene-1H-1,2,4-triazol-3-yl]-(3,5-dinitrophenyl)methanone
    —— 4-Piperidino-2,3:6,7-dibenzo-cycloheptatrienon-dimethylketal 95941-59-6 C22H25NO2
    4-Piperidino-2,3:6,7-dibenzo-cycloheptatrienon-dimethylketal
    —— 4-(4-chloro-benzenesulfonyl)-benzoic acid-(4-dimethylamino-benzylidenehydrazide) 102441-21-4 C22H20ClN3O3S
    4-(4-chloro-benzenesulfonyl)-benzoic acid-(4-dimethylamino-benzylidenehydrazide)
    —— 4-(5-chloro-2-(((3,3-diphenylpropyl)(2-(2-pyrazinyl)ethyl)carbamoyl)amino)-1,3-thiazol-4-yl)benzenesulfonamide 1101172-27-3 C31H29ClN6O3S2
    4-(5-chloro-2-(((3,3-diphenylpropyl)(2-(2-pyrazinyl)ethyl)carbamoyl)amino)-1,3-thiazol-4-yl)benzenesulfonamide
    —— 4-chloro-N-pyridin-3-yldithiazol-5-imine 1372124-51-0 C7H4ClN3S2
    4-chloro-N-pyridin-3-yldithiazol-5-imine
    —— 4-amino-18,20-dichloro-7-thia-3,5,10,15-tetraazatricyclo[15.3.1.1(2,6)]docosa-1(20),2(22),3,5,17(21),18-hexaene-11,16-dione 1052646-24-8 C17H17Cl2N5O2S
    4-amino-18,20-dichloro-7-thia-3,5,10,15-tetraazatricyclo[15.3.1.1(2,6)]docosa-1(20),2(22),3,5,17(21),18-hexaene-11,16-dione
    —— 4-[((S)-2-{(3R,4S)-5-benzyloxy-3-hydroxy-4-[3-[(methanesulfonyl)(methyl)amino]-5-((R)-(1-phenylethyl)carbamoyl)-benzoyl-amino]pentanoylamino}-3-methyl-butyrylamino)-methyl]-benzoic acid 1092973-26-6 C43H51N5O10S
    4-[((S)-2-{(3R,4S)-5-benzyloxy-3-hydroxy-4-[3-[(methanesulfonyl)(methyl)amino]-5-((R)-(1-phenylethyl)carbamoyl)-benzoyl-amino]pentanoylamino}-3-methyl-butyrylamino)-methyl]-benzoic acid
    —— 4-benzyloxymethyl-2-furan-2-yl-4-methyl-4,5-dihydro-oxazole 40030-07-7 C16H17NO3
    4-benzyloxymethyl-2-furan-2-yl-4-methyl-4,5-dihydro-oxazole
    —— (4-aminopiperidin-1-yl)(3-(5-(5-methyl-1H-pyrazol-3-ylamino)imidazo[1,2-f]pyrimidin-7-yl)phenyl)methanone 883735-04-4 C22H24N8O
    (4-aminopiperidin-1-yl)(3-(5-(5-methyl-1H-pyrazol-3-ylamino)imidazo[1,2-f]pyrimidin-7-yl)phenyl)methanone
    —— 4-[(2-acetylamino-ethylsulfanyl)-ethylsulfanyl-methylene]-2-phenyl-4<i>H</i>-oxazol-5-one 55703-97-4 C16H18N2O3S2
    4-[(2-acetylamino-ethylsulfanyl)-ethylsulfanyl-methylene]-2-phenyl-4<i>H</i>-oxazol-5-one
    —— 4-amino-N-[5-(4-nitro-phenyl)-[1,3,4]thiadiazol-2-yl]-benzenesulfonamide 978-52-9 C14H11N5O4S2
    4-amino-N-[5-(4-nitro-phenyl)-[1,3,4]thiadiazol-2-yl]-benzenesulfonamide
    —— 4-fluoro-2-(tetrahydro-pyran-4-ylmethyl)-isoindole-1,3-dione 1381925-23-0 C14H14FNO3
    4-fluoro-2-(tetrahydro-pyran-4-ylmethyl)-isoindole-1,3-dione
    —— 4-MeO-TEMPO-D 1174447-42-7 C10H21NO2
    4-MeO-TEMPO-D
    —— (4-methyl-3-nitro-phenoxy)-acetyl chloride 861795-47-3 C9H8ClNO4
    (4-methyl-3-nitro-phenoxy)-acetyl chloride
    —— 4-(naphthalen-2-yl)-6-p-tolylpyrimidin-2-amine 438230-05-8 C21H17N3
    4-(naphthalen-2-yl)-6-p-tolylpyrimidin-2-amine
    —— 4-methoxy-thiobenzoic acid tritylamide 117776-70-2 C27H23NOS
    4-methoxy-thiobenzoic acid tritylamide
    —— 4-Isopropyl-2,5-dimethyl-thiophene-3-carbaldehyde oxime 120159-31-1 C10H15NOS
    4-Isopropyl-2,5-dimethyl-thiophene-3-carbaldehyde oxime
    —— (4S)-3-[(2R)-2-benzyl-3-phenylmethoxypropanoyl]-4-propan-2-yl-1,3-oxazolidin-2-one 129779-05-1 C23H27NO4
    (4S)-3-[(2R)-2-benzyl-3-phenylmethoxypropanoyl]-4-propan-2-yl-1,3-oxazolidin-2-one
    —— 4-triethylsilanyl-benzophenone 18663-22-4 C19H24OSi
    4-triethylsilanyl-benzophenone
    —— 4-[2-amino-5-(2,4-dioxo-thiazolidin-5ylidenemethyl)-phenylamino]cyclohexanecarboxylic acid methyl ester 648449-35-8 C18H21N3O4S
    4-[2-amino-5-(2,4-dioxo-thiazolidin-5ylidenemethyl)-phenylamino]cyclohexanecarboxylic acid methyl ester
    —— 4-[[N-[10-(Methoxymethyl)-10H-pyrazino[2,3-b][1,4]-benzothiazin-8-ylmethyl]-N-methyl]aminomethyl]benzene-sulfonamide 203656-82-0 C21H23N5O3S2
    4-[[N-[10-(Methoxymethyl)-10H-pyrazino[2,3-b][1,4]-benzothiazin-8-ylmethyl]-N-methyl]aminomethyl]benzene-sulfonamide
    —— 4'-[1-hydroxy-(1-trityl-1H-imidazol-4-yl)propyl]-N-methyl[1,1'-biphenyl]-3-carboxamide 337535-79-2 C39H35N3O2
    4'-[1-hydroxy-(1-trityl-1H-imidazol-4-yl)propyl]-N-methyl[1,1'-biphenyl]-3-carboxamide
    —— 4-(11-acryloyloxyundecanoxy)phenyl 4-[2-amino-5-nitro 4-[(R)-2-octyloxy]phenyl]benzoate 147970-10-3 C41H54N2O8
    4-(11-acryloyloxyundecanoxy)phenyl 4-[2-amino-5-nitro 4-[(R)-2-octyloxy]phenyl]benzoate
    —— 4-chloro-2-methylenebutyl 4-(dimethylamino)benzoate 1613059-58-7 C14H18ClNO2
    4-chloro-2-methylenebutyl 4-(dimethylamino)benzoate
    —— 4-benzyl-2-hydroxy-6-methyl-isophthalic acid diethyl ester 855642-09-0 C20H22O5
    4-benzyl-2-hydroxy-6-methyl-isophthalic acid diethyl ester
    —— 4-(5-(4-chlorophenyl)-3-(6-fluoro-4-(3-fluorophenyl)-2-oxo-1,2-dihydroquinolin-3-yl)-4,5-dihydro-1H-pyrazol-1-yl)-4-oxobutanoic acid 1449374-23-5 C28H20ClF2N3O4
    4-(5-(4-chlorophenyl)-3-(6-fluoro-4-(3-fluorophenyl)-2-oxo-1,2-dihydroquinolin-3-yl)-4,5-dihydro-1H-pyrazol-1-yl)-4-oxobutanoic acid
    —— 4,7-bis(5-iodothiophen-2-yl)-2,1,3-benzothiadiazole 1067243-77-9 C14H6I2N2S3
    4,7-bis(5-iodothiophen-2-yl)-2,1,3-benzothiadiazole
    —— 4-(((2S,5R)-5-((R)-hydroxy(phenyl)methyl)pyrrolidin-2-yl)methyl)-N-((5-(methoxymethyl)-1H-pyrazol-3-yl)methyl)-N-methylbenzamide 1269614-76-7 C26H32N4O3
    4-(((2S,5R)-5-((R)-hydroxy(phenyl)methyl)pyrrolidin-2-yl)methyl)-N-((5-(methoxymethyl)-1H-pyrazol-3-yl)methyl)-N-methylbenzamide
    —— 4(S)-Amino-2,4-dihydro-6-phenyl-1H-imidazo[1,2-a]-[1,4]-benzodiazepine 115888-11-4 C17H16N4
    4(S)-Amino-2,4-dihydro-6-phenyl-1H-imidazo[1,2-a]-[1,4]-benzodiazepine
    —— (4aR,6S,7R,8R,8aS)-6-(ethylthio)-2,2-dimethylhexahydropyrano[3,2-d][1,3]dioxine-7,8-diol 1202168-00-0 C11H20O5S
    (4aR,6S,7R,8R,8aS)-6-(ethylthio)-2,2-dimethylhexahydropyrano[3,2-d][1,3]dioxine-7,8-diol
    —— (4S,5S)-4-(4-Methoxy-benzyloxymethyl)-5-((E)-propenyl)-[1,3]dioxolan-2-one 162427-93-2 C15H18O5
    (4S,5S)-4-(4-Methoxy-benzyloxymethyl)-5-((E)-propenyl)-[1,3]dioxolan-2-one
    —— 4,4'-Dihydroxy-2,2'-bichinolyl 6495-85-8 C18H12N2O2
    4,4'-Dihydroxy-2,2'-bichinolyl
    —— (+/-)-4-[2-[[7-[(2-Hydroxy-1-methylethyl)amino]-5-[(phenylmethyl)thio]thiazolo[4,5-d]pyrimidin-2-yl]amino]ethyl]-benzenesulfonamide 259102-69-7 C23H26N6O3S3
    (+/-)-4-[2-[[7-[(2-Hydroxy-1-methylethyl)amino]-5-[(phenylmethyl)thio]thiazolo[4,5-d]pyrimidin-2-yl]amino]ethyl]-benzenesulfonamide
    —— 4,5-dihydro-benzo[5,6]cyclohepta[1,2-c]pyrazol-10(1 H)-one 126536-51-4 C12H10N2O
    4,5-dihydro-benzo[5,6]cyclohepta[1,2-c]pyrazol-10(1 H)-one
    —— 4-chloro-4'-methylsulphonyloxybenzophenone diethoxyphosphinylhydrazone 78930-93-5 C18H22ClN2O6PS
    4-chloro-4'-methylsulphonyloxybenzophenone diethoxyphosphinylhydrazone
    —— 4-((4-phenylpyrrolidin-3-yl)amino)quinoline-8-carboxamide 1357071-03-4 C20H20N4O
    4-((4-phenylpyrrolidin-3-yl)amino)quinoline-8-carboxamide
    —— 4,7-Dioxaspiro[2.5]octane-6-carboxylic acid 2923845-09-2 C7H10O4
    4,7-Dioxaspiro[2.5]octane-6-carboxylic acid