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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4,5-Dihydroxy-2-methyl-acetophenon-phenylhydrazon 101112-36-1 C15H16N2O2
    4,5-Dihydroxy-2-methyl-acetophenon-phenylhydrazon
    —— 4,4'-Bis-(2-naphtho<1.2>-triazolyl)-azobenzol 124161-04-2 C32H20N8
    4,4'-Bis-(2-naphtho<1.2>-triazolyl)-azobenzol
    —— 4,6-dichloro-2-cyclopentyl-5-hydroxyisoindole-1,3-dione 109803-73-8 C13H11Cl2NO3
    4,6-dichloro-2-cyclopentyl-5-hydroxyisoindole-1,3-dione
    —— 4,5-Dichlor-2-chlormethyl-pyrimidon-(6) 19875-06-0 C5H3Cl3N2O
    4,5-Dichlor-2-chlormethyl-pyrimidon-(6)
    —— (4R,4aS,8R,8aR)-4-[(1S)-2-(benzyloxy)-1-methylethyl]-8-[(1R)-1-[(tert-butyldimethylsiloxy)methyl]-2-methylpropyl]-3,4,4a,7,8,8a-hexahydro-6-methyl-2(1H)-naphthalenone 583866-68-6 C32H52O3Si
    (4R,4aS,8R,8aR)-4-[(1S)-2-(benzyloxy)-1-methylethyl]-8-[(1R)-1-[(tert-butyldimethylsiloxy)methyl]-2-methylpropyl]-3,4,4a,7,8,8a-hexahydro-6-methyl-2(1H)-naphthalenone
    —— 4-(2-Chloro-phenyl)-2-isopropyl-1-oxo-1,2-dihydro-isoquinoline-3-carboxylic acid amide 137537-56-5 C19H17ClN2O2
    4-(2-Chloro-phenyl)-2-isopropyl-1-oxo-1,2-dihydro-isoquinoline-3-carboxylic acid amide
    —— 4-methyl-<i>N</i>-(5-phenyl-[1,3,4]thiadiazol-2-yl)-benzamidine 53085-12-4 C16H14N4S
    4-methyl-<i>N</i>-(5-phenyl-[1,3,4]thiadiazol-2-yl)-benzamidine
    —— 4-p-toluenesulfonyloxymethyl-2-phenyl-1,3-dithiolane 81546-92-1 C17H18O3S3
    4-p-toluenesulfonyloxymethyl-2-phenyl-1,3-dithiolane
    —— 4-Methoxy-6-(3,3,6,6-tetramethyl-1,8-dioxo-2,3,4,5,6,7,8,9-octahydro-1H-xanthen-9-yl)-benzene-1,3-disulfonyl dichloride 155333-69-0 C24H26Cl2O8S2
    4-Methoxy-6-(3,3,6,6-tetramethyl-1,8-dioxo-2,3,4,5,6,7,8,9-octahydro-1H-xanthen-9-yl)-benzene-1,3-disulfonyl dichloride
    —— 4-FLUORO-N-[4-(4-FLUOROPHENYL)-INDAN-2-yl]-BENZAMIDE 450356-25-9 C22H17F2NO
    4-FLUORO-N-[4-(4-FLUOROPHENYL)-INDAN-2-yl]-BENZAMIDE
    —— (4S,6S)-6,8-Bis-(tert-butyl-dimethyl-silanyloxy)-4-(4-methoxy-benzyloxy)-1-{(4S,6S)-6-[2-(4-methoxy-benzyloxy)-ethyl]-2,2-dimethyl-[1,3]dioxan-4-yl}-octan-2-one 815588-12-6 C44H74O9Si2
    (4S,6S)-6,8-Bis-(tert-butyl-dimethyl-silanyloxy)-4-(4-methoxy-benzyloxy)-1-{(4S,6S)-6-[2-(4-methoxy-benzyloxy)-ethyl]-2,2-dimethyl-[1,3]dioxan-4-yl}-octan-2-one
    —— 4-Dimethylamino-1-phenyl-1-<2-trifluormethyl-phenyl>-buten-(1) 445403-87-2 C19H20F3N
    4-Dimethylamino-1-phenyl-1-<2-trifluormethyl-phenyl>-buten-(1)
    —— 4-[[4-fluoro-3-(4-ethyl-4-oxo-1,4-azaphosphinane-1-carbonyl)phenyl]methyl]-2H-phthalazin-1-one 1415141-42-2 C22H23FN3O3P
    4-[[4-fluoro-3-(4-ethyl-4-oxo-1,4-azaphosphinane-1-carbonyl)phenyl]methyl]-2H-phthalazin-1-one
    —— (4R*,5S*)-2,6-dimethyl-5-hydroxy-4-(phenylmethoxy)-3-heptanone 113778-71-5 C16H24O3
    (4R*,5S*)-2,6-dimethyl-5-hydroxy-4-(phenylmethoxy)-3-heptanone
    —— 4-(1-formylnaphthalen-2-yl)oxybut-2-enenitrile 83611-37-4 C15H11NO2
    4-(1-formylnaphthalen-2-yl)oxybut-2-enenitrile
    —— [4-[(1R)-1-acetyloxyethyl]phenyl]boronic acid 1173922-49-0 C10H13BO4
    [4-[(1R)-1-acetyloxyethyl]phenyl]boronic acid
    —— 4-bromo-2-(cyclopropyliminomethyl)phenol 503472-63-7 C10H10BrNO
    4-bromo-2-(cyclopropyliminomethyl)phenol
    —— (4S)-3-((3R,2S)-3-(4-ethoxyphenyl)-3-hydroxy-2-isopropoxypropanoyl)-4-benzyl-1,3-oxazolan-2-one 478930-30-2 C24H29NO6
    (4S)-3-((3R,2S)-3-(4-ethoxyphenyl)-3-hydroxy-2-isopropoxypropanoyl)-4-benzyl-1,3-oxazolan-2-one
    —— (4S)-4-[[(2S)-2-(methylamino)propanoyl]amino]-N-[2-[[(4S)-4-[[(2S)-2-(methylamino)propanoyl]amino]-5-oxo-5-[(2S)-2-[[2-phenylethyl-(2,2,2-trifluoroacetyl)amino]methyl]pyrrolidin-1-yl]pentanoyl]amino]ethyl]-5-oxo-5-[(2S)-2-[[2-phenylethyl-(2,2,2-trifluoroacetyl)amino]methyl]pyrrolidin-1-yl]pentanamide 934963-43-6 C50H70F6N10O8
    (4S)-4-[[(2S)-2-(methylamino)propanoyl]amino]-N-[2-[[(4S)-4-[[(2S)-2-(methylamino)propanoyl]amino]-5-oxo-5-[(2S)-2-[[2-phenylethyl-(2,2,2-trifluoroacetyl)amino]methyl]pyrrolidin-1-yl]pentanoyl]amino]ethyl]-5-oxo-5-[(2S)-2-[[2-phenylethyl-(2,2,2-trifluoroacetyl)amino]methyl]pyrrolidin-1-yl]pentanamide
    —— 4-Methyl-2,3-dihydro-1H-pyrrolo-<2,3-b>chinolin 71115-06-5 C12H12N2
    4-Methyl-2,3-dihydro-1H-pyrrolo-<2,3-b>chinolin
    —— [(4-trimethylsilyl)phenyl]diphenylphosphane 503311-31-7 C21H23PSi
    [(4-trimethylsilyl)phenyl]diphenylphosphane
    —— (4S,5S)-3-mesityl-1-(2-(methylsulfonamido)benzyl)-4,5-diphenyl-4,5-dihydro-1H-imidazol-3-ium chloride 1451930-10-1 C32H34N3O2S*Cl
    (4S,5S)-3-mesityl-1-(2-(methylsulfonamido)benzyl)-4,5-diphenyl-4,5-dihydro-1H-imidazol-3-ium chloride
    —— 4-bromo-1-(2-fluoro-4-iodo-benzyl)-1H-pyrrolo[2,3-c]pyridine-2-carboxylic acid ((R)-2,2-dimethyl-[1,3]dioxolan-4-ylmethoxy)-amide 1093340-49-8 C21H20BrFIN3O4
    4-bromo-1-(2-fluoro-4-iodo-benzyl)-1H-pyrrolo[2,3-c]pyridine-2-carboxylic acid ((R)-2,2-dimethyl-[1,3]dioxolan-4-ylmethoxy)-amide
    —— 4,7-bis-methoxymethyl-decane-4,7-diol 106422-42-8 C14H30O4
    4,7-bis-methoxymethyl-decane-4,7-diol
    —— 4-[2,5-dihydro-3-methyl-2,5-dioxo-4-[6-[4-[(thien-2-yl)-carbonyl]piperazin-1-yl]hexyl]-1H-pyrrol-1-yl]-2-(trifluoromethyl)benzonitrile 534609-37-5 C28H29F3N4O3S
    4-[2,5-dihydro-3-methyl-2,5-dioxo-4-[6-[4-[(thien-2-yl)-carbonyl]piperazin-1-yl]hexyl]-1H-pyrrol-1-yl]-2-(trifluoromethyl)benzonitrile
    —— 4-amino-1-[4-((4-isopropylphenyl)sulfonylamino)phenyl]piperidine 344567-15-3 C20H27N3O2S
    4-amino-1-[4-((4-isopropylphenyl)sulfonylamino)phenyl]piperidine
    —— 4-Hydroxy-3-hydroxymethyl-4-(2-pyridyl)-2-butanon 58475-96-0 C10H13NO3
    4-Hydroxy-3-hydroxymethyl-4-(2-pyridyl)-2-butanon
    —— 4-methyl-5-oxo-2-phenyl-2,5-dihydro-furan-3-carboxylic acid methyl ester 28970-27-6 C13H12O4
    4-methyl-5-oxo-2-phenyl-2,5-dihydro-furan-3-carboxylic acid methyl ester
    —— 4-m-Chlorphenyl-1-(β-pyrazol-3-ylethyl)pyrazin 49654-53-7 C15H19ClN4
    4-m-Chlorphenyl-1-(β-pyrazol-3-ylethyl)pyrazin
    —— 4-ethoxy-3,3',5'-tris(trifluoromethyl)carbanilide 1495-05-2 C18H13F9N2O2
    4-ethoxy-3,3',5'-tris(trifluoromethyl)carbanilide
    —— [4-(3,5-Bis-trifluoromethyl-benzyloxy)-pyridin-2-yl]-methanol 124845-63-2 C15H11F6NO2
    [4-(3,5-Bis-trifluoromethyl-benzyloxy)-pyridin-2-yl]-methanol
    —— (4-phenyl-quinoline-3-carbonyl)-malonic acid diethyl ester 102888-55-1 C23H21NO5
    (4-phenyl-quinoline-3-carbonyl)-malonic acid diethyl ester
    —— 4-(N-benzyloxy-ethoxycarbonylamino)butyric acid ethyl ester 1284281-66-8 C16H23NO5
    4-(N-benzyloxy-ethoxycarbonylamino)butyric acid ethyl ester
    —— 4,4'-(dimethylsilanediyl)dibenzohydrazide 98059-97-3 C16H20N4O2Si
    4,4'-(dimethylsilanediyl)dibenzohydrazide
    —— (4aS,4bR,5S,6aS,6bS,9aR,10aS,10bS,12S)-4b,12-difluoro-5-hydroxy-4a,6a-dimethyl-2-oxo-8-(3-phenyl-propyl)-2,4b,5,6,6a,7,8,9,9a,10,10a,10b,11,12-tetradecahydro-4aH-8-aza-pentaleno[2,1-a]phenanthrene-6b-carboxylic acid fluoromethyl ester 1421745-74-5 C32H38F3NO4
    (4aS,4bR,5S,6aS,6bS,9aR,10aS,10bS,12S)-4b,12-difluoro-5-hydroxy-4a,6a-dimethyl-2-oxo-8-(3-phenyl-propyl)-2,4b,5,6,6a,7,8,9,9a,10,10a,10b,11,12-tetradecahydro-4aH-8-aza-pentaleno[2,1-a]phenanthrene-6b-carboxylic acid fluoromethyl ester
    —— 4-(3-(cyclopropylmethyl)-6,6-dimethyl-4-oxo-4,5,6,7-tetrahydro-1H-indazol-1-yl)-3-fluoro-2-(tetrahydro-2H-pyran-4-ylamino)benzamide 1073970-05-4 C25H31FN4O3
    4-(3-(cyclopropylmethyl)-6,6-dimethyl-4-oxo-4,5,6,7-tetrahydro-1H-indazol-1-yl)-3-fluoro-2-(tetrahydro-2H-pyran-4-ylamino)benzamide
    —— 4,4'-dimethoxymethoxy-2"-aminotriphenylmethane 132794-19-5 C23H25NO4
    4,4'-dimethoxymethoxy-2"-aminotriphenylmethane
    —— 4-nitro-benzoic acid-[1-(2,3,5,6-tetramethyl-phenyl)-ethyl ester] 102178-26-7 C19H21NO4
    4-nitro-benzoic acid-[1-(2,3,5,6-tetramethyl-phenyl)-ethyl ester]
    —— 4-Methylsulfonyl-benzaldehyd-hydrazon 100377-46-6 C8H10N2O2S
    4-Methylsulfonyl-benzaldehyd-hydrazon
    —— 4-N-[4-fluoro-3-(trifluoromethyl)phenyl]-6-(2,2,2-trifluoroethoxy)-2-N-[[4-(trifluoromethoxy)phenyl]methylideneamino]pyrimidine-2,4-diamine 1138153-33-9 C21H13F10N5O2
    4-N-[4-fluoro-3-(trifluoromethyl)phenyl]-6-(2,2,2-trifluoroethoxy)-2-N-[[4-(trifluoromethoxy)phenyl]methylideneamino]pyrimidine-2,4-diamine
    —— 4-bromo-N-(2-cyclopentylethyl)-1-(2-(3-hydroxyoxetan-3-yl)ethyl)-1H-indole-3-carboxamide 1415459-97-0 C21H27BrN2O3
    4-bromo-N-(2-cyclopentylethyl)-1-(2-(3-hydroxyoxetan-3-yl)ethyl)-1H-indole-3-carboxamide
    —— (4-{[6-(4-Amino-2,3,5,6-tetramethyl-phenylcarbamoyl)-4-chloro-pyridine-2-carbonyl]-amino}-2,3,5,6-tetramethyl-phenyl)-carbamic acid tert-butyl ester 922704-40-3 C32H40ClN5O4
    (4-{[6-(4-Amino-2,3,5,6-tetramethyl-phenylcarbamoyl)-4-chloro-pyridine-2-carbonyl]-amino}-2,3,5,6-tetramethyl-phenyl)-carbamic acid tert-butyl ester
    —— 4'-((5-(3,4-dimethoxybenzylcarbamoyl)-2,3-dimethyl-1H-indol-1-yl)methyl)biphenyl-2-carboxylic acid 1415252-83-3 C34H32N2O5
    4'-((5-(3,4-dimethoxybenzylcarbamoyl)-2,3-dimethyl-1H-indol-1-yl)methyl)biphenyl-2-carboxylic acid
    —— 4-Nitro-benzoic acid 4-(4-nitro-benzoylamino)-1,1-dioxo-tetrahydro-1λ<sup>6</sup>-thiophen-3-yl ester 156144-22-8 C18H15N3O9S
    4-Nitro-benzoic acid 4-(4-nitro-benzoylamino)-1,1-dioxo-tetrahydro-1λ<sup>6</sup>-thiophen-3-yl ester
    —— 4-(4-(4-(4-allyloxy-3-methoxybenzyloxy)-3-methoxybenzyloxy)-3-methoxybenzyloxy)-3-methoxybenzaldehyde 1356472-23-5 C35H36O9
    4-(4-(4-(4-allyloxy-3-methoxybenzyloxy)-3-methoxybenzyloxy)-3-methoxybenzyloxy)-3-methoxybenzaldehyde
    —— 4-Chlor-2-trifluormethyl-1,7-phenanthrolin 1701-00-4 C13H6ClF3N2
    4-Chlor-2-trifluormethyl-1,7-phenanthrolin
    —— 4-[1-[4-(trifluoromethoxy)phenyl]-4-trifluoromethyl-1H-imidazol-2-yl]benzenesulfonamide 189297-31-2 C17H11F6N3O3S
    4-[1-[4-(trifluoromethoxy)phenyl]-4-trifluoromethyl-1H-imidazol-2-yl]benzenesulfonamide
    —— 4-ethoxy-1-ethyl-6-methyl-1,2,3,4-tetrahydro-isoquinoline 109245-50-3 C14H21NO
    4-ethoxy-1-ethyl-6-methyl-1,2,3,4-tetrahydro-isoquinoline
    —— 4,5,6,7-tetramethylindenyltrichlorotitanium 241155-59-9 C13H15Cl3Ti
    4,5,6,7-tetramethylindenyltrichlorotitanium
    —— (4aR,6S,7R,8R,8aR)-8-Ethoxy-6-methoxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-7-ol 22331-25-5 C16H22O6
    (4aR,6S,7R,8R,8aR)-8-Ethoxy-6-methoxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-7-ol