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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-(4-Hexylbenzyloxy)-2,3-difluorobenzonitrile 126315-01-3 C20H21F2NO
    4-(4-Hexylbenzyloxy)-2,3-difluorobenzonitrile
    —— 4-oxo-3-phenyl-4<i>H</i>-pyran-2,6-dicarboxylic acid diethyl ester 854835-56-6 C17H16O6
    4-oxo-3-phenyl-4<i>H</i>-pyran-2,6-dicarboxylic acid diethyl ester
    —— 4-[1-(2-amino-5-chloro-phenyl)-vinyl]-phenol 857628-43-4 C14H12ClNO
    4-[1-(2-amino-5-chloro-phenyl)-vinyl]-phenol
    —— 4-(5-amino-1-(2-(tert-butyldiphenylsilyloxy)ethyl)-1H-pyrazol-3-yl)-N-methylpyridin-2-amine 1240522-82-0 C27H33N5OSi
    4-(5-amino-1-(2-(tert-butyldiphenylsilyloxy)ethyl)-1H-pyrazol-3-yl)-N-methylpyridin-2-amine
    —— 4-(3-((2-aminopyrimidin-4-yl)methoxy)pyridin-2-yl)-N-(3-(1-hydroxycyclopentyl)phenyl)piperazine-1-carboxamide 1374771-71-7 C26H31N7O3
    4-(3-((2-aminopyrimidin-4-yl)methoxy)pyridin-2-yl)-N-(3-(1-hydroxycyclopentyl)phenyl)piperazine-1-carboxamide
    —— 4,6-Dimethyl-2-oxo-cyclohex-3-ene-1,1-dicarboxylic acid diethyl ester 137617-63-1 C14H20O5
    4,6-Dimethyl-2-oxo-cyclohex-3-ene-1,1-dicarboxylic acid diethyl ester
    —— 4-carbamoyl-2-(4-carbamoylimidazol-5-ylazo)imidazolium-5-olate 70379-28-1 C8H8N8O3
    4-carbamoyl-2-(4-carbamoylimidazol-5-ylazo)imidazolium-5-olate
    —— 4,4,10,11-Tetrachlorotetracyclo<6.3.1.02,703,5>dodec-9-ene 82071-95-2 C12H12Cl4
    4,4,10,11-Tetrachlorotetracyclo<6.3.1.02,703,5>dodec-9-ene
    —— 4-{[8-(2-hydroxybenzyl)-2,8-diazaspiro[4.5]dec-2-yl]methyl}-N,N-bis(1H-imidazol-2-ylmethyl)benzamide 937073-25-1 C31H37N7O2
    4-{[8-(2-hydroxybenzyl)-2,8-diazaspiro[4.5]dec-2-yl]methyl}-N,N-bis(1H-imidazol-2-ylmethyl)benzamide
    —— 4-Brom-benzolsulfonsaeure-(2,2-dimethyl-pentylester) 19255-86-8 C13H19BrO3S
    4-Brom-benzolsulfonsaeure-(2,2-dimethyl-pentylester)
    —— 4-ethyl-4-hydroxy-1-methyl-6-oxa-bicyclo[3.2.1]octane-7,8-dione 1256499-89-4 C10H14O4
    4-ethyl-4-hydroxy-1-methyl-6-oxa-bicyclo[3.2.1]octane-7,8-dione
    —— 4-methyl-2,6-dioxo-8-(thiophen-2-ylethynyl)hexahydro-8l4-[1,3,2]oxazaborolo[2,3-b][1,3,2]oxazaborol-4-ium 1237789-59-1 C11H10BNO4S
    4-methyl-2,6-dioxo-8-(thiophen-2-ylethynyl)hexahydro-8l4-[1,3,2]oxazaborolo[2,3-b][1,3,2]oxazaborol-4-ium
    —— (4aR,6R,6aS,7R,8S,9R,11aS,11bS)-8-(hydroxymethyl)-6-methoxy-4,4-dimethyldodecahydro-1H-6,11b-(epoxymethano)-6a,9-methanocyclohepta[a]naphthalen-7-ol 1215081-16-5 C21H34O4
    (4aR,6R,6aS,7R,8S,9R,11aS,11bS)-8-(hydroxymethyl)-6-methoxy-4,4-dimethyldodecahydro-1H-6,11b-(epoxymethano)-6a,9-methanocyclohepta[a]naphthalen-7-ol
    —— 4-[2-(ethoxycarbonyl-methyl-carbamoyl)-2-cyano-vinylamino]-benzoic acid 102880-88-6 C15H15N3O5
    4-[2-(ethoxycarbonyl-methyl-carbamoyl)-2-cyano-vinylamino]-benzoic acid
    —— 4-(2-(2-chlorobenzylideneamino)-3-cyano-4-(2,4-dichlorophenyl)-5-oxo-5,6,7,8-tetrahydroquinolin-1(4H)-yl)benzenesulfonamide 1313009-07-2 C29H21Cl3N4O3S
    4-(2-(2-chlorobenzylideneamino)-3-cyano-4-(2,4-dichlorophenyl)-5-oxo-5,6,7,8-tetrahydroquinolin-1(4H)-yl)benzenesulfonamide
    —— 4,4''-terphenylenebis(2,3,4,5-tetramethylcyclopentadienyl)di(triisopropoxytitanium) 1264218-68-9 C54H78O6Ti2
    4,4''-terphenylenebis(2,3,4,5-tetramethylcyclopentadienyl)di(triisopropoxytitanium)
    —— 4-Dimethoxymethyl-1-methoxy-3-methyl-1,3,4,5-tetrahydro-cyclopenta[c]pyran 87419-43-0 C13H20O4
    4-Dimethoxymethyl-1-methoxy-3-methyl-1,3,4,5-tetrahydro-cyclopenta[c]pyran
    —— 4'-ethoxy-α-oxo-bibenzyl-2-carboxylic acid 101597-37-9 C17H16O4
    4'-ethoxy-α-oxo-bibenzyl-2-carboxylic acid
    —— 4,5α-epoxy-3-methoxy-17-methyl-(6ξO)-spiro[morphin-7-ene-6,2'-oxiran]-14-ol 2858-90-4 C19H21NO4
    4,5α-epoxy-3-methoxy-17-methyl-(6ξO)-spiro[morphin-7-ene-6,2'-oxiran]-14-ol
    —— 4-(benzylideneamino)-3-thioxo-1,2,4-triazinan-5-one 1254335-88-0 C10H10N4OS
    4-(benzylideneamino)-3-thioxo-1,2,4-triazinan-5-one
    —— 4-Methyl-2-(trimethylsilyl)-1,4-cyclohexadien-1-carbonsaeure 88946-54-7 C11H18O2Si
    4-Methyl-2-(trimethylsilyl)-1,4-cyclohexadien-1-carbonsaeure
    —— 4-(6-(morpholin-4-yl)pyridin-3-yl)-N-(3-methyl-4-((1S,4S)-5-isobutyl-2,5-diazabicyclo[2.2.1]heptan-2-yl)phenyl)pyrimidin-2-amine 1182187-46-7 C29H37N7O
    4-(6-(morpholin-4-yl)pyridin-3-yl)-N-(3-methyl-4-((1S,4S)-5-isobutyl-2,5-diazabicyclo[2.2.1]heptan-2-yl)phenyl)pyrimidin-2-amine
    —— 4-(2-(morpholin-4-yl)pyrimidin-5-yl)-N-(3-fluoro-4-((1S,4S)-5-methyl-2,5-diazabicyclo[2.2.1]heptan-2-yl)phenyl)pyrimidin-2-amine 1182182-28-0 C24H27FN8O
    4-(2-(morpholin-4-yl)pyrimidin-5-yl)-N-(3-fluoro-4-((1S,4S)-5-methyl-2,5-diazabicyclo[2.2.1]heptan-2-yl)phenyl)pyrimidin-2-amine
    —— 4-[4-(2-(4-methoxyphenyl)-6-hydroxynaphth-1-yloxyl)phenyl]but-3-enoic acid 205862-41-5 C27H22O5
    4-[4-(2-(4-methoxyphenyl)-6-hydroxynaphth-1-yloxyl)phenyl]but-3-enoic acid
    —— 4-benzoyl-5-oxo-5-phenyl-valeric acid 118543-45-6 C18H16O4
    4-benzoyl-5-oxo-5-phenyl-valeric acid
    —— 4-({3-[4-hydroxy-1-(3-methylbutyl)-2-oxo-1,2-dihydro-1,8-naphthyridin-3-yl]-1,1-dioxido-4H-1,2,4-benzothiadiazin-7-yl}oxy)butanenitrile 686268-08-6 C24H25N5O5S
    4-({3-[4-hydroxy-1-(3-methylbutyl)-2-oxo-1,2-dihydro-1,8-naphthyridin-3-yl]-1,1-dioxido-4H-1,2,4-benzothiadiazin-7-yl}oxy)butanenitrile
    —— 4-Acetyl-5-hydroxy-7-methoxy-2-methyl-tropon 91143-52-1 C11H12O4
    4-Acetyl-5-hydroxy-7-methoxy-2-methyl-tropon
    —— 4-<2>Pyridyl-butanal-semicarbazon 91060-12-7 C10H14N4O
    4-<2>Pyridyl-butanal-semicarbazon
    —— 4-Aethoxy-2,3,5,6-tetrafluor-N,N-dimethyl-anilin 2711-77-5 C10H11F4NO
    4-Aethoxy-2,3,5,6-tetrafluor-N,N-dimethyl-anilin
    —— 4-Thiol-2-hydroxy-benzoesaeureaethylester 102653-82-7 C9H10O3S
    4-Thiol-2-hydroxy-benzoesaeureaethylester
    —— 4-(2-(propyl)aminopyrimidin-5-yl)-N-(3-methyl-4-((1S,4S)-5-methyl-2,5-diazabicyclo[2.2.1]heptan-2-yl)phenyl)pyrimidin-2-amine 1182183-90-9 C24H30N8
    4-(2-(propyl)aminopyrimidin-5-yl)-N-(3-methyl-4-((1S,4S)-5-methyl-2,5-diazabicyclo[2.2.1]heptan-2-yl)phenyl)pyrimidin-2-amine
    —— 4-chloro-3-(morpholine-4-sulfonyl)-benzoyl chloride 59816-31-8 C11H11Cl2NO4S
    4-chloro-3-(morpholine-4-sulfonyl)-benzoyl chloride
    —— (4-chloro-phenyl)-(2-ethoxy-1-nitro-vinyl)-diazene 73463-52-2 C10H10ClN3O3
    (4-chloro-phenyl)-(2-ethoxy-1-nitro-vinyl)-diazene
    —— 4-chloro-2-(iodomethylene)-1-tosylindolin-3-one 1448809-10-6 C16H11ClINO3S
    4-chloro-2-(iodomethylene)-1-tosylindolin-3-one
    —— [(4R)-3-[(4S,5S)-1,3-dimethyl-4,5-diphenylimidazolidin-2-yl]-4-ethyl-4H-pyridin-1-yl]-(2-iodophenyl)methanone 596829-08-2 C31H32IN3O
    [(4R)-3-[(4S,5S)-1,3-dimethyl-4,5-diphenylimidazolidin-2-yl]-4-ethyl-4H-pyridin-1-yl]-(2-iodophenyl)methanone
    —— (4S,5aR,8S,8aS)-6-benzyl-4,5a,8a-trimethyl-2-tosyl-2,3,4,5,5a,6,8,8a-octahydro-4,8-methanopyrrolo[3,4-e]indol-7(1H)-one 1277186-06-7 C28H32N2O3S
    (4S,5aR,8S,8aS)-6-benzyl-4,5a,8a-trimethyl-2-tosyl-2,3,4,5,5a,6,8,8a-octahydro-4,8-methanopyrrolo[3,4-e]indol-7(1H)-one
    —— (4aR,4bR,5S,8S,11aS,13aR)-8-methyl-5-(2-methylallyl)-3,4,4a,4b,5,8,9,10,11,11a,13,13a-dodecahydrospiro[benzo[f]pyrido[2,1-a]isoquinoline-2,2'-[1,3]dithian]-6(1H)-one 1373273-85-8 C25H37NOS2
    (4aR,4bR,5S,8S,11aS,13aR)-8-methyl-5-(2-methylallyl)-3,4,4a,4b,5,8,9,10,11,11a,13,13a-dodecahydrospiro[benzo[f]pyrido[2,1-a]isoquinoline-2,2'-[1,3]dithian]-6(1H)-one
    —— 4-[1-Ethylamino-meth-(Z)-ylidene]-2-isopropyl-5-methyl-2,4-dihydro-pyrazole-3-thione 97111-68-7 C10H17N3S
    4-[1-Ethylamino-meth-(Z)-ylidene]-2-isopropyl-5-methyl-2,4-dihydro-pyrazole-3-thione
    —— 4,5-bis(3-chlorophenyl)-2-phenyl-1H-imidazole 1414943-86-4 C21H14Cl2N2
    4,5-bis(3-chlorophenyl)-2-phenyl-1H-imidazole
    —— 4-(2-Methyl-butyl)-1-(4-trifluoromethyl-phenyl)-cyclohexanol 108769-89-7 C18H25F3O
    4-(2-Methyl-butyl)-1-(4-trifluoromethyl-phenyl)-cyclohexanol
    —— (4-(5-(4-(N-benzylmethylamino)benzylidene)-3-methyl-4-oxothiazolidin-2-ylideneamino)phenyl)acetic acid 1186633-68-0 C27H25N3O3S
    (4-(5-(4-(N-benzylmethylamino)benzylidene)-3-methyl-4-oxothiazolidin-2-ylideneamino)phenyl)acetic acid
    —— 4-[8-(2,4-dichloro-5-cyclopropylbenzyl)-1-oxa-2,8-diazaspiro[4.5]dec-2-en-3-yl]benzoic acid trifluoroacetate 1350759-46-4 C2HF3O2*C24H24Cl2N2O3
    4-[8-(2,4-dichloro-5-cyclopropylbenzyl)-1-oxa-2,8-diazaspiro[4.5]dec-2-en-3-yl]benzoic acid trifluoroacetate
    —— 4,9-Bis-(4-methoxy-phenyl)-1,3-dioxo-7-(2-oxo-propylsulfanyl)-2-phenyl-2,3-dihydro-1H-pyrrolo[3,4-f]quinoline-8-carbonitrile 298199-62-9 C35H25N3O5S
    4,9-Bis-(4-methoxy-phenyl)-1,3-dioxo-7-(2-oxo-propylsulfanyl)-2-phenyl-2,3-dihydro-1H-pyrrolo[3,4-f]quinoline-8-carbonitrile
    —— 4-n-Butyl-1-(4-ethynylphenyl)-3-methyl-2,6,7-trioxabicyclo[2.2.2]octane 107829-49-2 C18H22O3
    4-n-Butyl-1-(4-ethynylphenyl)-3-methyl-2,6,7-trioxabicyclo[2.2.2]octane
    —— 4-Azulencarbaldehyd-diethyldithioacetal 101166-27-2 C15H18S2
    4-Azulencarbaldehyd-diethyldithioacetal
    —— 4-(tert-butyl)-N-methyl-N-nitrosobenzamide 2097262-02-5 C12H16N2O2
    4-(tert-butyl)-N-methyl-N-nitrosobenzamide
    —— 4-(5-methyl-2-(trifluoromethyl)-3,6-dihydro-2H-thiopyran-2-yl)morpholine 1420877-26-4 C11H16F3NOS
    4-(5-methyl-2-(trifluoromethyl)-3,6-dihydro-2H-thiopyran-2-yl)morpholine
    —— 4-[5-(2,4-dichlorophenyl)-3-methyl-1H-pyrazol-4-yl]pyridine 216504-70-0 C15H11Cl2N3
    4-[5-(2,4-dichlorophenyl)-3-methyl-1H-pyrazol-4-yl]pyridine
    —— <4-Methyl-2-(1-methyl-propyl)-phenoxy>-essigsaeure-amid 93759-56-9 C13H19NO2
    <4-Methyl-2-(1-methyl-propyl)-phenoxy>-essigsaeure-amid
    —— 4-Ethoxycarbonylmethyl-2,7-dihydroxy-1,8-naphthyridin 2009-40-7 C12H12N2O4
    4-Ethoxycarbonylmethyl-2,7-dihydroxy-1,8-naphthyridin