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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-thiophen-3-yl-1-tritylimidazole 885369-70-0 C26H20N2S
    4-thiophen-3-yl-1-tritylimidazole
    —— 4-(4-methylcyclohexylidene)-5-(trimethylsilyl)pent-1-en-3-one 159531-11-0 C15H26OSi
    4-(4-methylcyclohexylidene)-5-(trimethylsilyl)pent-1-en-3-one
    —— 4-[N'-(3-Fluoro-phenyl)-hydrazino]-1-methyl-6-oxo-6,7-dihydro-1H-pyrazolo[3,4-b]pyridine-5-carboxylic acid ethyl ester 635325-08-5 C16H16FN5O3
    4-[N'-(3-Fluoro-phenyl)-hydrazino]-1-methyl-6-oxo-6,7-dihydro-1H-pyrazolo[3,4-b]pyridine-5-carboxylic acid ethyl ester
    —— 4-[(1,1-diethylpropoxy)carbonyl]-2-methoxyphenylboronic acid 887757-33-7 C15H23BO5
    4-[(1,1-diethylpropoxy)carbonyl]-2-methoxyphenylboronic acid
    —— 4-butyl-2-hexyl-2H-furan-5-one 55229-14-6 C14H24O2
    4-butyl-2-hexyl-2H-furan-5-one
    —— 4-Pyridinylmethyl 2-bromo-5-[[(4S)-4-methyl-2,3,4,5-tetrahydro-1H-1,5-benzodiazepin-1-yl]carbonyl]benzoate 887758-55-6 C24H22BrN3O3
    4-Pyridinylmethyl 2-bromo-5-[[(4S)-4-methyl-2,3,4,5-tetrahydro-1H-1,5-benzodiazepin-1-yl]carbonyl]benzoate
    —— 4-benzyl-(2-(2-methyl-1-pyridin-2-yl)prop-1-enyl)-1-tosyl-3,4-dihydro-1H-benzo[e][1,4]diazepin-5(2H)-one 1608117-80-1 C32H31N3O3S
    4-benzyl-(2-(2-methyl-1-pyridin-2-yl)prop-1-enyl)-1-tosyl-3,4-dihydro-1H-benzo[e][1,4]diazepin-5(2H)-one
    —— (4-Hydroxyphenyl)[3-(4-hydroxyphenyl)-1-benzothiophen-2-yl]methanone 177744-96-6 C21H14O3S
    (4-Hydroxyphenyl)[3-(4-hydroxyphenyl)-1-benzothiophen-2-yl]methanone
    —— 4-<<2>Naphthyl-methylenamino>-biphenyl 17686-81-6 C23H17N
    4-<<2>Naphthyl-methylenamino>-biphenyl
    —— 4-Styryl-2-(m-nitro-phenyl)-5,6-benzochinolin 4637-67-6 C27H18N2O2
    4-Styryl-2-(m-nitro-phenyl)-5,6-benzochinolin
    —— 4-Phenylimino>-tris-<4-brom-phenyl>-phosphoran 14796-91-9 C24H17Br3NP
    4-Phenylimino>-tris-<4-brom-phenyl>-phosphoran
    —— (4-methyl-pyridin-2-yl)-[6-(2-pyrrolidin-1-yl-oxazol-5-yl)-pyridin-2-yl]-amine 1315354-51-8 C18H19N5O
    (4-methyl-pyridin-2-yl)-[6-(2-pyrrolidin-1-yl-oxazol-5-yl)-pyridin-2-yl]-amine
    —— 4-Amino-3-(4-benzoylamino-phenylazo)-naphthalene-1-sulfonic acid 51082-51-0 C23H18N4O4S
    4-Amino-3-(4-benzoylamino-phenylazo)-naphthalene-1-sulfonic acid
    —— 4-Hydroxy-3-iod-5-methoxy-phenylbrenztraubensaeure 23354-28-1 C10H9IO5
    4-Hydroxy-3-iod-5-methoxy-phenylbrenztraubensaeure
    —— 4-bromo-N-(4-butylphenyl)-3-(4-(2-methoxyphenyl)piperazine-1-carbonyl)benzenesulfonamide 1311382-74-7 C28H32BrN3O4S
    4-bromo-N-(4-butylphenyl)-3-(4-(2-methoxyphenyl)piperazine-1-carbonyl)benzenesulfonamide
    —— 4-hydroxy-5-iodo-isophthalaldehyde acid 33257-38-4 C8H5IO4
    4-hydroxy-5-iodo-isophthalaldehyde acid
    —— 4'-amino-D-pantetheine 112544-01-1 C11H23N3O3S
    4'-amino-D-pantetheine
    —— 4,4-dimethyl-17β<i>H</i>-pregn-5-en-20-yne-3β,17-diol 119076-52-7 C23H34O2
    4,4-dimethyl-17β<i>H</i>-pregn-5-en-20-yne-3β,17-diol
    —— (4S)-4-phenyl-3-(3-(thiophen-2-yl)butanoyl)oxazolidin-2-one 1453105-93-5 C17H17NO3S
    (4S)-4-phenyl-3-(3-(thiophen-2-yl)butanoyl)oxazolidin-2-one
    —— 4-benzyl-4-prop-2-enyl-2-(trifluoromethyl)-1H-imidazol-5-one 133230-54-3 C14H13F3N2O
    4-benzyl-4-prop-2-enyl-2-(trifluoromethyl)-1H-imidazol-5-one
    —— 4-[5-phenyl-1-(2,4,5-trifluorophenyl)-4,5-dihydro-1H-pyrazol-3-yl]benzonitrile 1060663-96-8 C22H14F3N3
    4-[5-phenyl-1-(2,4,5-trifluorophenyl)-4,5-dihydro-1H-pyrazol-3-yl]benzonitrile
    —— 4-hydroxy-2-iodothieno[2,3-b]pyridine-5-carbonitrile 1092655-82-7 C8H3IN2OS
    4-hydroxy-2-iodothieno[2,3-b]pyridine-5-carbonitrile
    —— 4-[2-amino-7-(4-fluoro-phenyl)-7,8-dihydro-6H-quinazolin-5-ylideneaminooxy]-butyric acid ethyl ester 1087139-01-2 C20H23FN4O3
    4-[2-amino-7-(4-fluoro-phenyl)-7,8-dihydro-6H-quinazolin-5-ylideneaminooxy]-butyric acid ethyl ester
    —— 4-(3-Methylfuran-2-yl)butan-2-ol 131168-86-0 C9H14O2
    4-(3-Methylfuran-2-yl)butan-2-ol
    —— [(4S,5S)-2-(4-chlorophenyl)-5-[(1S)-cyclohex-2-en-1-yl]-4-(1-hydroxyethyl)-5H-1,3-oxazol-4-yl]methyl acetate 1258864-03-7 C20H24ClNO4
    [(4S,5S)-2-(4-chlorophenyl)-5-[(1S)-cyclohex-2-en-1-yl]-4-(1-hydroxyethyl)-5H-1,3-oxazol-4-yl]methyl acetate
    —— 4-((N-allyl-4-methylphenyl)sulfonamido)but-3-yn-2-yl dimethylcarbamate 1309861-90-2 C17H22N2O4S
    4-((N-allyl-4-methylphenyl)sulfonamido)but-3-yn-2-yl dimethylcarbamate
    —— 4-chloro-6-fluoro-1-methylquinolin-2(1H)-one 1613289-30-7 C10H7ClFNO
    4-chloro-6-fluoro-1-methylquinolin-2(1H)-one
    —— {4-difluoromethoxy-3-[4-(2,2-dimethyl-propionylamino)-2-(2,2,2-trifluoro-ethylsulfanylmethyl)-phenoxy]-phenyl}-acetic acid methyl ester 1203505-04-7 C24H26F5NO5S
    {4-difluoromethoxy-3-[4-(2,2-dimethyl-propionylamino)-2-(2,2,2-trifluoro-ethylsulfanylmethyl)-phenoxy]-phenyl}-acetic acid methyl ester
    —— 4-hydroxy-2-(2-methoxyphenyl)-3-(2-methylpropanoyl)-1-[4-(1,3-thiazol-4-yl)phenyl]-2H-pyrrol-5-one 1219489-85-6 C24H22N2O4S
    4-hydroxy-2-(2-methoxyphenyl)-3-(2-methylpropanoyl)-1-[4-(1,3-thiazol-4-yl)phenyl]-2H-pyrrol-5-one
    —— {4-[4-(4-bromo-phenyl)-3-methyl-3<i>H</i>-thiazol-2-ylideneamino]-phenyl}-acetic acid 68194-89-8 C18H15BrN2O2S
    {4-[4-(4-bromo-phenyl)-3-methyl-3<i>H</i>-thiazol-2-ylideneamino]-phenyl}-acetic acid
    —— 4-iodo-1-(5,8-dioxaspiro[3.4]octae-2-yl)-1H-pyrazole 1257996-81-8 C9H11IN2O2
    4-iodo-1-(5,8-dioxaspiro[3.4]octae-2-yl)-1H-pyrazole
    —— 4-chloro-N-{3-[4-(4-imidazol-1-yl-phenyl)-pyrimidin-2-ylamino]-4-methyl-phenyl}-benzamide 881674-72-2 C27H21ClN6O
    4-chloro-N-{3-[4-(4-imidazol-1-yl-phenyl)-pyrimidin-2-ylamino]-4-methyl-phenyl}-benzamide
    —— 4,8-Di-tert-butyl-2,10-dimethyl-6-phenoxy-5,7-dioxa-12-thia-6-phospha-dibenzo[a,d]cyclooctene 6-oxide 104614-50-8 C28H33O4PS
    4,8-Di-tert-butyl-2,10-dimethyl-6-phenoxy-5,7-dioxa-12-thia-6-phospha-dibenzo[a,d]cyclooctene 6-oxide
    —— 4-iodo-3-(2-nitrophenyl)isoxazole 1287769-23-6 C9H5IN2O3
    4-iodo-3-(2-nitrophenyl)isoxazole
    —— 4-(4-chlorophenyl)-N,N-dimethyl-4-oxo-2-phenylbutanamide 1620198-56-2 C18H18ClNO2
    4-(4-chlorophenyl)-N,N-dimethyl-4-oxo-2-phenylbutanamide
    —— 4-(4-(3-ethyl-4-(methyl(1-methyl-1H-imidazo[4,5-c]pyridin-6-yl)amino)phenyl)-5,6-dihydropyridin-1(2H)-yl)-4-oxobutanenitrile 1449668-14-7 C25H28N6O
    4-(4-(3-ethyl-4-(methyl(1-methyl-1H-imidazo[4,5-c]pyridin-6-yl)amino)phenyl)-5,6-dihydropyridin-1(2H)-yl)-4-oxobutanenitrile
    —— (4R)-1-benzyloxy-4-ethoxycarbonyl-2-azetidinone 91815-11-1 C13H15NO4
    (4R)-1-benzyloxy-4-ethoxycarbonyl-2-azetidinone
    —— 4-(5-{[(4-methylpiperazin-1-ylmethyl)amino]methyl}furan-2-yl)-5,6,7,8-tetrahydro-2H-isoquinolin-1-one 872175-72-9 C20H28N4O2
    4-(5-{[(4-methylpiperazin-1-ylmethyl)amino]methyl}furan-2-yl)-5,6,7,8-tetrahydro-2H-isoquinolin-1-one
    —— {(4S)-4-[acetyl(methyl)amino]-3-oxo-1,3,4,5-tetrahydro-benz[c]azepin-2-yl}acetic acid 908589-99-1 C15H18N2O4
    {(4S)-4-[acetyl(methyl)amino]-3-oxo-1,3,4,5-tetrahydro-benz[c]azepin-2-yl}acetic acid
    —— 4-Oxo-3-(4-oxo-3-phenyl-3,4-dihydro-quinazolin-2-ylsulfanyl)-4-p-tolyl-butyric acid 144898-78-2 C25H20N2O4S
    4-Oxo-3-(4-oxo-3-phenyl-3,4-dihydro-quinazolin-2-ylsulfanyl)-4-p-tolyl-butyric acid
    —— 4-[3-(4-cyclopentylcarbonyl-phenyl)propargylamino]benzamidine 776282-56-5 C22H23N3O
    4-[3-(4-cyclopentylcarbonyl-phenyl)propargylamino]benzamidine
    —— 4-[3-(3-hydroxycarbonylmethyloxymethyl-4-pyrrolidinocarbonyl-phenyl)propargylamino]benzamidine 777045-62-2 C24H26N4O4
    4-[3-(3-hydroxycarbonylmethyloxymethyl-4-pyrrolidinocarbonyl-phenyl)propargylamino]benzamidine
    —— 4-tert-butyl-2-fluoro-6-iodo-phenylamine 861858-55-1 C10H13FIN
    4-tert-butyl-2-fluoro-6-iodo-phenylamine
    —— 4-(3-(pyridin-3-yloxy)propyl)phenol 1322668-40-5 C14H15NO2
    4-(3-(pyridin-3-yloxy)propyl)phenol
    —— 4,7-Diamino-2-phenyl-pteridin-6-carbonsaeure-<3-(N-piperidyl)propyl>amid 13206-83-2 C21H26N8O
    4,7-Diamino-2-phenyl-pteridin-6-carbonsaeure-<3-(N-piperidyl)propyl>amid
    —— 4-Benzyloxy-3,4'-oxy-diphenyldiessigsaeure-di-aethylester 5884-62-8 C27H28O6
    4-Benzyloxy-3,4'-oxy-diphenyldiessigsaeure-di-aethylester
    —— 4-Chlor-5-(N-methyl-m-toluidino)-1,2-dithia-cyclopentenon-(3) 4000-60-6 C11H10ClNOS2
    4-Chlor-5-(N-methyl-m-toluidino)-1,2-dithia-cyclopentenon-(3)
    —— 4-(Tetraacetyl-1-β-D-glucosyloxy)-cinnolin 2495-91-2 C22H24N2O10
    4-(Tetraacetyl-1-β-D-glucosyloxy)-cinnolin
    —— 4-Amino-2-methyl-5-<2-acetamino-2,2-bis-methoxy-carbonyl-ethyl>-pyrimidin 5589-02-6 C13H18N4O5
    4-Amino-2-methyl-5-<2-acetamino-2,2-bis-methoxy-carbonyl-ethyl>-pyrimidin
    —— 4-Methyl-benzene-1,3-disulfonic acid bis-(acetyl-methyl-amide) 3695-21-4 C13H18N2O6S2
    4-Methyl-benzene-1,3-disulfonic acid bis-(acetyl-methyl-amide)