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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-Hydroperoxy-4-methoxy-2,3-dimethylnaphthalin-1(4H)-on 66487-78-3 C13H14O4
    4-Hydroperoxy-4-methoxy-2,3-dimethylnaphthalin-1(4H)-on
    —— 4,5-bis-diphenylphosphinoyl-3-methyl-3-phenyl-3<i>H</i>-pyrazole 65939-34-6 C34H28N2O2P2
    4,5-bis-diphenylphosphinoyl-3-methyl-3-phenyl-3<i>H</i>-pyrazole
    —— 4-benzyloxy-2-ethoxymethyl-6-methyl-pyrimidine 66743-50-8 C15H18N2O2
    4-benzyloxy-2-ethoxymethyl-6-methyl-pyrimidine
    —— 4-Methyl-2-(trityl-amino)-pentanoic acid benzyl ester 73488-69-4 C32H33NO2
    4-Methyl-2-(trityl-amino)-pentanoic acid benzyl ester
    —— 4-(furan-3-yl)-7-[3,5-di-O-benzoyl-2-deoxy-2,2-difluoro-β-D-erythro-pentofuranosyl]-7H-pyrrolo[2,3-d]pyrimidine 1397372-25-6 C29H21F2N3O6
    4-(furan-3-yl)-7-[3,5-di-O-benzoyl-2-deoxy-2,2-difluoro-β-D-erythro-pentofuranosyl]-7H-pyrrolo[2,3-d]pyrimidine
    —— 4-((14)C-guanidino)benzoic acid hydrochloride 1203588-95-7 C8H9N3O2*ClH
    4-((14)C-guanidino)benzoic acid hydrochloride
    —— 4-(5-cyclopropylmethoxy-benzo[1,3]dioxol-4-yl)-5H-pyrrolo[3,2-d]pyrimidine-7-carboxylic acid [1-((S)-2-hydroxy-propionyl)-piperidin-3-ylmethyl]-amide 1185840-41-8 C27H31N5O6
    4-(5-cyclopropylmethoxy-benzo[1,3]dioxol-4-yl)-5H-pyrrolo[3,2-d]pyrimidine-7-carboxylic acid [1-((S)-2-hydroxy-propionyl)-piperidin-3-ylmethyl]-amide
    —— 4-Fluorobenzo[d]oxazole-2-carbonitrile 1172606-57-3 C8H3FN2O
    4-Fluorobenzo[d]oxazole-2-carbonitrile
    —— (4S,5S)-2-(13)C labeled-4-amino-decane-1,2,5-triol 1355498-46-2 C10H23NO3
    (4S,5S)-2-(13)C labeled-4-amino-decane-1,2,5-triol
    —— 4,5-secocholest-6-en-3-yn-5-one 77081-54-0 C27H42O
    4,5-secocholest-6-en-3-yn-5-one
    —— [4-(tetrahydrofuran-3-yloxy)phenyl]methanol 1182334-35-5 C11H14O3
    [4-(tetrahydrofuran-3-yloxy)phenyl]methanol
    —— 4-((2,5-Dioxo-4,4-diphenylimidazolidinyl)carbonyl)naphthalenecarboxylic acid 472967-22-9 C27H18N2O5
    4-((2,5-Dioxo-4,4-diphenylimidazolidinyl)carbonyl)naphthalenecarboxylic acid
    —— (4-(2-(4-aminophenyl)thiazol-4-yl)-1H-pyrrol-2-yl)(pyrrolidin-1-yl)methanone 1415820-22-2 C18H18N4OS
    (4-(2-(4-aminophenyl)thiazol-4-yl)-1H-pyrrol-2-yl)(pyrrolidin-1-yl)methanone
    —— (4S)-4-benzyl-3-((2S)-3-chloro-4,4,4-trifluoro-2-methylbutanoyl)-5,5-dimethyloxazolidin-2-one 1207362-86-4 C17H19ClF3NO3
    (4S)-4-benzyl-3-((2S)-3-chloro-4,4,4-trifluoro-2-methylbutanoyl)-5,5-dimethyloxazolidin-2-one
    —— (4S)-4-<7-(1,1-dimethylprop-2-enyloxy)hept-trans-5-ene-1,3-diynyl>-2,2-dimethyl-1,3-dioxolan 83474-47-9 C17H22O3
    (4S)-4-<7-(1,1-dimethylprop-2-enyloxy)hept-trans-5-ene-1,3-diynyl>-2,2-dimethyl-1,3-dioxolan
    —— 4-[(2,2-dichloroacetyl)amino]-N-[2-[2-(dimethylamino)ethyl]-1,3-dioxobenzo[de]isoquinolin-5-yl]butanamide 1620759-12-7 C22H24Cl2N4O4
    4-[(2,2-dichloroacetyl)amino]-N-[2-[2-(dimethylamino)ethyl]-1,3-dioxobenzo[de]isoquinolin-5-yl]butanamide
    —— 4-[3,4-di(hexadecyloxy)benzoyloxy] benzyl bromide 869852-84-6 C46H75BrO4
    4-[3,4-di(hexadecyloxy)benzoyloxy] benzyl bromide
    —— 4-oxapentanoyl coenzyme A 635678-54-5 C25H42N7O18P3S
    4-oxapentanoyl coenzyme A
    —— (4aS,6R,8aS)-3-methoxy-11-methyl-4a,5,9,10,11,12-hexahydro-6H-benzo[2,3]benzofuro[4,3-cd]azepin-6-yl (R)-3-acetoxybutanoate 82644-84-6 C23H29NO6
    (4aS,6R,8aS)-3-methoxy-11-methyl-4a,5,9,10,11,12-hexahydro-6H-benzo[2,3]benzofuro[4,3-cd]azepin-6-yl (R)-3-acetoxybutanoate
    —— 4-[[(trans,trans)-4a(2)-Ethyl[1,1a(2)-bicyclohexyl]-4-yl]difluoromethoxy]-1,2-difluorobenzene 346708-60-9 C21H28F4O
    4-[[(trans,trans)-4a(2)-Ethyl[1,1a(2)-bicyclohexyl]-4-yl]difluoromethoxy]-1,2-difluorobenzene
    —— 4-(Benzyloxy)oxane-4-carboxylic acid 1293265-45-8 C13H16O4
    4-(Benzyloxy)oxane-4-carboxylic acid
    —— 4-Oxo-1-methyl-3-cyan-1,4-dihydro-chinolin 20856-33-1 C11H8N2O
    4-Oxo-1-methyl-3-cyan-1,4-dihydro-chinolin
    —— 4-({[1-cyclohexylmethyl-5-(2,5-dimethoxy-phenyl)-2-methyl-1H-pyrrole-3-carbonyl]-amino}-methyl)-piperidine-1-carboxylic acid tert-butyl ester 725743-35-1 C32H47N3O5
    4-({[1-cyclohexylmethyl-5-(2,5-dimethoxy-phenyl)-2-methyl-1H-pyrrole-3-carbonyl]-amino}-methyl)-piperidine-1-carboxylic acid tert-butyl ester
    —— 4-(1,2,3-Thiadiazol-5-yl)benzene-1-sulfonyl chloride 1367928-80-0 C8H5ClN2O2S2
    4-(1,2,3-Thiadiazol-5-yl)benzene-1-sulfonyl chloride
    —— 4,4'-((Z)-prop-1-ene-1,2-diyl)bis(1,2-dimethoxybenzene) 1360803-85-5 C19H22O4
    4,4'-((Z)-prop-1-ene-1,2-diyl)bis(1,2-dimethoxybenzene)
    —— (4aR,8S,8aR,9R,9aR)-9-Methyl-8-vinyl-decahydro-pyrrolo[1,2-a]indol-3-one 80664-54-6 C14H21NO
    (4aR,8S,8aR,9R,9aR)-9-Methyl-8-vinyl-decahydro-pyrrolo[1,2-a]indol-3-one
    —— (4-Amino-3-methyl-5-nitro-phenyl)-thiophen-2-yl-methanone 117498-68-7 C12H10N2O3S
    (4-Amino-3-methyl-5-nitro-phenyl)-thiophen-2-yl-methanone
    —— 4-Isopropyl-6-p-tolyl-pyridine-2-carboxylic acid 80636-21-1 C16H17NO2
    4-Isopropyl-6-p-tolyl-pyridine-2-carboxylic acid
    —— 4-(5-propoxy-benzo[1,3]dioxol-4-yl)-5H-pyrrolo[3,2-d]pyrimidine-7-carboxylic acid (1-propionyl-piperidin-4-yl)-amide 1185839-92-2 C25H29N5O5
    4-(5-propoxy-benzo[1,3]dioxol-4-yl)-5H-pyrrolo[3,2-d]pyrimidine-7-carboxylic acid (1-propionyl-piperidin-4-yl)-amide
    —— 4-(2-ethoxy-2-oxoethyl)-1,1-dimethyl-4-(4-pentylphenylsulfonamido)piperidinium iodide 1111202-85-7 C22H37N2O4S*I
    4-(2-ethoxy-2-oxoethyl)-1,1-dimethyl-4-(4-pentylphenylsulfonamido)piperidinium iodide
    —— 4-phenyl-10H-indolo[3,2-b]thieno[2,3-d]pyridine 1226498-39-0 C19H12N2S
    4-phenyl-10H-indolo[3,2-b]thieno[2,3-d]pyridine
    —— 4-Methoxy-1-methyl-4-phenyl-1-arsa-2,5-cyclohexadien 76782-95-1 C13H15AsO
    4-Methoxy-1-methyl-4-phenyl-1-arsa-2,5-cyclohexadien
    —— (4-{2-tert-butoxycarbonylamino-acetyl}-3-hydroxy-2-propyl-phenoxy)-acetic acid ethyl ester 850399-42-7 C20H29NO7
    (4-{2-tert-butoxycarbonylamino-acetyl}-3-hydroxy-2-propyl-phenoxy)-acetic acid ethyl ester
    —— 4-(6-(dimethylamino)pyridin-3-yl)benzoic acid 1267069-15-7 C14H14N2O2
    4-(6-(dimethylamino)pyridin-3-yl)benzoic acid
    —— 4,6-dichloro-2-(3-chloro-styryl)-5-nitro-pyrimidine 53925-23-8 C12H6Cl3N3O2
    4,6-dichloro-2-(3-chloro-styryl)-5-nitro-pyrimidine
    —— (4R,5R)-4-[(R)-[(4R)-2,2-diethyl-1,3-dioxolan-4-yl]-hydroxymethyl]-2,2-diethyl-1,3-dioxan-5-ol 143157-29-3 C16H30O6
    (4R,5R)-4-[(R)-[(4R)-2,2-diethyl-1,3-dioxolan-4-yl]-hydroxymethyl]-2,2-diethyl-1,3-dioxan-5-ol
    —— 4-(4,5,6,6-tetramethyl-1-aza-bicyclo[3.3.1]non-3-en-9-ylmethyl)-phenol 41338-56-1 C19H27NO
    4-(4,5,6,6-tetramethyl-1-aza-bicyclo[3.3.1]non-3-en-9-ylmethyl)-phenol
    —— 4-(6-Oxo-6H-phenanthridin-5-yl)-butyric acid methyl ester 37046-35-8 C18H17NO3
    4-(6-Oxo-6H-phenanthridin-5-yl)-butyric acid methyl ester
    —— 4,5-diethynyl-9,9-didodecylxanthene 1228689-00-6 C41H58O
    4,5-diethynyl-9,9-didodecylxanthene
    —— 4-(4-Chloro-benzoyl)-3-(2-hydroxy-ethylamino)-1,5-diphenyl-1,5-dihydro-pyrrol-2-one 108784-01-6 C25H21ClN2O3
    4-(4-Chloro-benzoyl)-3-(2-hydroxy-ethylamino)-1,5-diphenyl-1,5-dihydro-pyrrol-2-one
    —— 4-[4-(Pyridin-4-ylmethoxy)butoxymethyl]pyridine 851761-80-3 C16H20N2O2
    4-[4-(Pyridin-4-ylmethoxy)butoxymethyl]pyridine
    —— 4-benzylidene-1-(4-hydroxy-3-piperidinomethylphenyl)-2-methylimidazolidin-5-one 136809-72-8 C23H25N3O2
    4-benzylidene-1-(4-hydroxy-3-piperidinomethylphenyl)-2-methylimidazolidin-5-one
    —— (-)-4-benzyloxycarbonyl-4-hydroxy-2-methoxycarbonyl-3-methylcyclopent-2-en-1-one 118204-74-3 C16H16O6
    (-)-4-benzyloxycarbonyl-4-hydroxy-2-methoxycarbonyl-3-methylcyclopent-2-en-1-one
    —— 4-Benzoyl-1-(diethoxy-phosphorylamino)-2,5-dimethyl-1H-pyrrole-3-carboxylic acid benzyl ester 117999-83-4 C25H29N2O6P
    4-Benzoyl-1-(diethoxy-phosphorylamino)-2,5-dimethyl-1H-pyrrole-3-carboxylic acid benzyl ester
    —— 4-ethyl-7-(2-indol-3-yl-ethyl)-3,4,4a,5,6,7-hexahydro-pyrano[3,4-<i>c</i>]pyridin-1-one 58760-86-4 C20H24N2O2
    4-ethyl-7-(2-indol-3-yl-ethyl)-3,4,4a,5,6,7-hexahydro-pyrano[3,4-<i>c</i>]pyridin-1-one
    —— 4-[3-(cyanomethyl)-3-(3′,5′-dimethyl-1H,1′H-4,4′-bipyrazol-1-yl)azetidin-1-yl]-2,5-difluoro-N-[(1S)-2,2,2-trifluoro-1-methylethyl]benzamide phosphoric acid salt 1637677-33-8 C23H22F5N7O*H3O4P
    4-[3-(cyanomethyl)-3-(3′,5′-dimethyl-1H,1′H-4,4′-bipyrazol-1-yl)azetidin-1-yl]-2,5-difluoro-N-[(1S)-2,2,2-trifluoro-1-methylethyl]benzamide phosphoric acid salt
    —— 4-iodo-3S-(2,2,2-trifluoroacetylamino)butanoic acid benzyl ester 673470-45-6 C13H13F3INO3
    4-iodo-3S-(2,2,2-trifluoroacetylamino)butanoic acid benzyl ester
    —— 4-[4-isobutyl-5-isopropyl-2-(1-methyl-3-phenylpropyl)furan-3-yl]butan-2-one 1020849-59-5 C25H36O2
    4-[4-isobutyl-5-isopropyl-2-(1-methyl-3-phenylpropyl)furan-3-yl]butan-2-one
    —— 4-butyl-4-(3,4-dihydro-1H-isoquinolin-2-ylmethyl)-1,2-diphenylpyrazolidine-3,5-dione 76383-64-7 C29H31N3O2
    4-butyl-4-(3,4-dihydro-1H-isoquinolin-2-ylmethyl)-1,2-diphenylpyrazolidine-3,5-dione
    —— 4-butoxy-4'-hydroxyazobenzene 3021-36-1 C16H18N2O2
    4-butoxy-4'-hydroxyazobenzene