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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4a,5,6,7,8,9a-Hexafluor-1,4,4a,9a-tetrahydro-anthracen-9,10-dion 5960-48-5 C14H6F6O2
    4a,5,6,7,8,9a-Hexafluor-1,4,4a,9a-tetrahydro-anthracen-9,10-dion
    —— 4α-Valeryl-4β-hydroxy-1β,2α,5β-trimethyl-piperidin 20992-77-2 C13H25NO2
    4α-Valeryl-4β-hydroxy-1β,2α,5β-trimethyl-piperidin
    —— 4-Chlor-2-isopentyloxymethylpent-4-ensaeure 18451-82-6 C11H19ClO3
    4-Chlor-2-isopentyloxymethylpent-4-ensaeure
    —— 4,4,11b-Trimethyl-7-methylene-1,2,3,4,4a,5,6,6a,7,11,11a,11b-dodecahydro-10-oxa-cyclopenta[b]phenanthrene-1,5,6-triol 7716-19-0 C20H28O4
    4,4,11b-Trimethyl-7-methylene-1,2,3,4,4a,5,6,6a,7,11,11a,11b-dodecahydro-10-oxa-cyclopenta[b]phenanthrene-1,5,6-triol
    —— 4-trifluoromethyl-2-n-propoxycarbonyl-thiophene-3-sulphonamide 1231421-84-3 C9H10F3NO4S2
    4-trifluoromethyl-2-n-propoxycarbonyl-thiophene-3-sulphonamide
    —— 4-(2-Furyl)-octahydro..... 100617-90-1 C13H19NO
    4-(2-Furyl)-octahydro.....
    —— 4,9-dichloro-pyrido[2,3-g]quinoline 35817-86-8 C12H6Cl2N2
    4,9-dichloro-pyrido[2,3-g]quinoline
    —— 4-Chloro-benzyl-[2-(6-chloro-2-trifluoromethyl-1H-benzoimidazol-4-yloxy)-ethyl]-amine 212062-37-8 C17H14Cl2F3N3O
    4-Chloro-benzyl-[2-(6-chloro-2-trifluoromethyl-1H-benzoimidazol-4-yloxy)-ethyl]-amine
    —— 4-<3-Dimethylamino-propyl>-2,2-diphenyl-2H-pyrido<3,2-b>-1,4-oxazin-3(4H)-on 34950-69-1 C24H25N3O2
    4-<3-Dimethylamino-propyl>-2,2-diphenyl-2H-pyrido<3,2-b>-1,4-oxazin-3(4H)-on
    —— 4-(2-aminothieno[2,3-d]pyrimidin-4-yl)-N-(benzo[d][1,3]dioxol-5-yl)piperazine-1-carboxamide 1423164-31-1 C18H18N6O3S
    4-(2-aminothieno[2,3-d]pyrimidin-4-yl)-N-(benzo[d][1,3]dioxol-5-yl)piperazine-1-carboxamide
    —— 4-tert-butyl-N-{4-[2-(3-methylphenyl)imidazo[1,2-b]pyridazin-3-yl]pyridin-2-yl}benzamide formate 896737-82-9 CH2O2*C29H27N5O
    4-tert-butyl-N-{4-[2-(3-methylphenyl)imidazo[1,2-b]pyridazin-3-yl]pyridin-2-yl}benzamide formate
    —— 4-<(2-<Methylthio>ethyl)thio>-3,5-xylolol 37708-31-9 C11H16OS2
    4-<(2-<Methylthio>ethyl)thio>-3,5-xylolol
    —— 4-(2,3,6-trichlorobenzylideneamino)benzyl 4-methylcoumarin-7-ylcarbamate 1242954-80-8 C25H17Cl3N2O4
    4-(2,3,6-trichlorobenzylideneamino)benzyl 4-methylcoumarin-7-ylcarbamate
    —— 4-(3-<i>tert</i>-butyl-4-hydroxy-5-methyl-phenyl)-2-oxo-pyrrolidine-3-carboxylic acid methyl ester 6722-79-8 C17H23NO4
    4-(3-<i>tert</i>-butyl-4-hydroxy-5-methyl-phenyl)-2-oxo-pyrrolidine-3-carboxylic acid methyl ester
    —— 4-Amino-3-anilino-5-methylmercapto-1,2,4-triazol 5319-86-8 C9H11N5S
    4-Amino-3-anilino-5-methylmercapto-1,2,4-triazol
    —— 4-Chloro-benzenesulfonic acid 2,5-dichloro-4-methoxy-phenyl ester 18113-65-0 C13H9Cl3O4S
    4-Chloro-benzenesulfonic acid 2,5-dichloro-4-methoxy-phenyl ester
    —— 4-Benzyl-4-hydroxy-5-dimethylaminomethyl-4,5,6,7-tetrahydro-benzo<b>thiophen 13219-56-2 C18H23NOS
    4-Benzyl-4-hydroxy-5-dimethylaminomethyl-4,5,6,7-tetrahydro-benzo<b>thiophen
    —— 4-Nitro-phenylhydrazon-(2-carbamoyl-benzoyl)-glyoxalsaeure-aethylester 7315-03-9 C18H16N4O6
    4-Nitro-phenylhydrazon-(2-carbamoyl-benzoyl)-glyoxalsaeure-aethylester
    —— 4(a)-Methoxy-1(a)-ethyl-3-tert.-butyl-cyclohexanol-(1) 1071563-53-5 C13H26O2
    4(a)-Methoxy-1(a)-ethyl-3-tert.-butyl-cyclohexanol-(1)
    —— 4,6-Diethyl-4'-methoxy-biphenyl-2-carbaldehyde 16064-07-6 C18H20O2
    4,6-Diethyl-4'-methoxy-biphenyl-2-carbaldehyde
    —— 4-Methyl-2-(2-nitro-phenylsulfanylamino)-pentanoic acid piperidin-1-yl ester 18805-95-3 C17H25N3O4S
    4-Methyl-2-(2-nitro-phenylsulfanylamino)-pentanoic acid piperidin-1-yl ester
    —— 4-((Z)-2-Benzenesulfonyl-1-methyl-vinylamino)-butyric acid ethyl ester 94251-85-1 C15H21NO4S
    4-((Z)-2-Benzenesulfonyl-1-methyl-vinylamino)-butyric acid ethyl ester
    —— 4,4'-dibromo-3,3'-dimethyl-1<i>H</i>,1'<i>H</i>-5,5'-(2,4,6-trioxo-tetrahydro-pyrimidine-5,5-diyldimethyl)-bis-pyrrole-2-carboxylic acid diethyl ester 20552-20-9 C22H24Br2N4O7
    4,4'-dibromo-3,3'-dimethyl-1<i>H</i>,1'<i>H</i>-5,5'-(2,4,6-trioxo-tetrahydro-pyrimidine-5,5-diyldimethyl)-bis-pyrrole-2-carboxylic acid diethyl ester
    —— 4-[4-(4-Bromo-phenyl)-thiazol-2-yl]-2,5-dimethyl-1-phenyl-1,2-dihydro-pyrazol-3-one 13359-46-1 C20H16BrN3OS
    4-[4-(4-Bromo-phenyl)-thiazol-2-yl]-2,5-dimethyl-1-phenyl-1,2-dihydro-pyrazol-3-one
    —— 4-Benzyl-1,3,4-trimethyl-5-methylen-Δ<sup>2</sup>-pyrazolin 17512-12-8 C14H18N2
    4-Benzyl-1,3,4-trimethyl-5-methylen-Δ<sup>2</sup>-pyrazolin
    —— 4-Chlor-benzil-mono-<p-tosylimid> 3316-43-6 C21H16ClNO3S
    4-Chlor-benzil-mono-<p-tosylimid>
    —— (4,5-dimethyloxazol-2-yl)-[4-(5-methoxy-4-piperazin-1-ylpyrido[3,4-d]pyrimidin-2-yl)pyridin-2-yl]amine 1588952-16-2 C22H24N8O2
    (4,5-dimethyloxazol-2-yl)-[4-(5-methoxy-4-piperazin-1-ylpyrido[3,4-d]pyrimidin-2-yl)pyridin-2-yl]amine
    —— 4-hydroxy-4-methyl-2-(m-tolyl)-2-azaspiro[4.4]nonan-1-one 1448691-76-6 C16H21NO2
    4-hydroxy-4-methyl-2-(m-tolyl)-2-azaspiro[4.4]nonan-1-one
    —— 4-methyl-N-methyl-N-(trideuteriomethyl)aniline 116016-01-4 C9H13N
    4-methyl-N-methyl-N-(trideuteriomethyl)aniline
    —— 4-(2-Methyl-imidazo[1,2-a]pyridin-3-yl)-thiazole-2-carboxylic acid ethyl ester; hydrobromide 121608-82-0 BrH*C14H13N3O2S
    4-(2-Methyl-imidazo[1,2-a]pyridin-3-yl)-thiazole-2-carboxylic acid ethyl ester; hydrobromide
    —— 4-benzylidenehydrazinothieno[3,2-d]pyrimidin-2(1H)-one 872573-40-5 C13H10N4OS
    4-benzylidenehydrazinothieno[3,2-d]pyrimidin-2(1H)-one
    —— (+/-)-4-(tert-butyl)-5-((4-(dicyanomethylene)cyclohexa-2,5-dien-1-ylidene)(4-(dimethylamino)phenyl)methyl)-2,2-dimethyl-3-((triisopropylsilyl)ethynyl)-7,7a-dihydro-1H-indene-6,6(2H)-dicarbonitrile 1352936-55-0 C46H55N5Si
    (+/-)-4-(tert-butyl)-5-((4-(dicyanomethylene)cyclohexa-2,5-dien-1-ylidene)(4-(dimethylamino)phenyl)methyl)-2,2-dimethyl-3-((triisopropylsilyl)ethynyl)-7,7a-dihydro-1H-indene-6,6(2H)-dicarbonitrile
    —— 4-<1-(diethylmethylsiloxy)-1-hepten-2-yl>morpholine 137627-31-7 C16H33NO2Si
    4-<1-(diethylmethylsiloxy)-1-hepten-2-yl>morpholine
    —— 4-chloro-2-ethylideneamino-5-nitro-phenol 53088-04-3 C8H7ClN2O3
    4-chloro-2-ethylideneamino-5-nitro-phenol
    —— (4R)-2-(11-azido-3,6,9-trioxaundecyl)amino-4-[(4'R)-1',2'-O-isopropylidene-β-L-threofuranos-4'-yl]-2-thiazoline 1310686-44-2 C18H31N5O7S
    (4R)-2-(11-azido-3,6,9-trioxaundecyl)amino-4-[(4'R)-1',2'-O-isopropylidene-β-L-threofuranos-4'-yl]-2-thiazoline
    —— 4-(2,6-difluoro-4-methoxy-benzyl)-1-isopropyl-5-methyl-3-(6-O-methoxycarbonyl-β-D-glucopyranos-1-yloxy)-1H-pyrazole 922720-72-7 C23H30F2N2O9
    4-(2,6-difluoro-4-methoxy-benzyl)-1-isopropyl-5-methyl-3-(6-O-methoxycarbonyl-β-D-glucopyranos-1-yloxy)-1H-pyrazole
    —— 4-{2-[3-(4-Cyano-3-trifluoromethylphenyl)-5,5-dimethyl-2,4-dioxoimidazolidin-1-ylmethyl]phenylamino}-N-piperidin-1-ylbenzamide 1006897-98-8 C32H31F3N6O3
    4-{2-[3-(4-Cyano-3-trifluoromethylphenyl)-5,5-dimethyl-2,4-dioxoimidazolidin-1-ylmethyl]phenylamino}-N-piperidin-1-ylbenzamide
    —— 4-(1H-naphtho[2,3-d]imidazol-1-yl)benzoic acid hydrochloride 1430334-88-5 C18H12N2O2*ClH
    4-(1H-naphtho[2,3-d]imidazol-1-yl)benzoic acid hydrochloride
    —— 4-methyl-N-(morpholino(phenyl)methyl)benzamide 1257405-09-6 C19H22N2O2
    4-methyl-N-(morpholino(phenyl)methyl)benzamide
    —— 4-<i>p</i>-tolyl-furazan-2-oxide 86329-42-2 C9H8N2O2
    4-<i>p</i>-tolyl-furazan-2-oxide
    —— 4-(Bis-methylsulfanyl-methylene)-5-pyridin-2-ylmethyl-2,3,4,5-tetrahydro-benzo[b]oxepin-5-ol 113200-35-4 C19H21NO2S2
    4-(Bis-methylsulfanyl-methylene)-5-pyridin-2-ylmethyl-2,3,4,5-tetrahydro-benzo[b]oxepin-5-ol
    —— 4-(4-chloro-2-nitro-phenylazo)-3-hydroxy-[2]naphthoic acid anilide 59970-79-5 C23H15ClN4O4
    4-(4-chloro-2-nitro-phenylazo)-3-hydroxy-[2]naphthoic acid anilide
    —— 4,5-bis(1-Methyl-1H-indol-3-yl)-1,2-dihydropyrazol-3-one 871843-09-3 C21H18N4O
    4,5-bis(1-Methyl-1H-indol-3-yl)-1,2-dihydropyrazol-3-one
    —— 4,5-seco-4,6-Cyclo-3,5-dioxo-6β-cholestan 14038-23-4 C27H44O2
    4,5-seco-4,6-Cyclo-3,5-dioxo-6β-cholestan
    —— (4'-chlorobiphenyl-2-yl)acetamide 1226855-37-3 C14H12ClNO
    (4'-chlorobiphenyl-2-yl)acetamide
    —— 4-(2-oxo-2-phenyl-ethyl)-4<i>H</i>-tetrazolo[1,5-<i>a</i>]quinazolin-5-one 59342-55-1 C16H11N5O2
    4-(2-oxo-2-phenyl-ethyl)-4<i>H</i>-tetrazolo[1,5-<i>a</i>]quinazolin-5-one
    —— 4-(4'-hydroxyphenyl)-2-(4-chlorophenyl)-3-[(4-chlorophenylaminomethyl)]-2,3-dihydro-1,5-benzothiazepine 1222313-25-8 C28H22Cl2N2OS
    4-(4'-hydroxyphenyl)-2-(4-chlorophenyl)-3-[(4-chlorophenylaminomethyl)]-2,3-dihydro-1,5-benzothiazepine
    —— 4-acetyl-2-methyl-4H-1,4-benzothiazine 93301-38-3 C11H11NOS
    4-acetyl-2-methyl-4H-1,4-benzothiazine
    —— 4-(3-fluoro-4-methoxyphenyl)-5-methyl-3-[4-(methylsulfonyl)phenyl]-1-(3-propenyl)-1H-pyrazole 175678-54-3 C21H21FN2O3S
    4-(3-fluoro-4-methoxyphenyl)-5-methyl-3-[4-(methylsulfonyl)phenyl]-1-(3-propenyl)-1H-pyrazole
    —— 4-Amino-4-(o-hydroxyphenyl)-butansaeure 25097-94-3 C10H13NO3
    4-Amino-4-(o-hydroxyphenyl)-butansaeure