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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-(2-hydroxypropoxy)-3-(phenylsulfonyl)-1,2,5-oxadiazole 2-oxide 901792-85-6 C11H12N2O6S
    4-(2-hydroxypropoxy)-3-(phenylsulfonyl)-1,2,5-oxadiazole 2-oxide
    —— 4,5-bis(bromomethyl)cyclohexa-1,4-diene-1-carboxylic acid 103872-22-6 C9H10Br2O2
    4,5-bis(bromomethyl)cyclohexa-1,4-diene-1-carboxylic acid
    —— 4-nitrophenyl (2S,5S,8S,11S,14R)-11-(2-amino-2-oxoethyl)-8-(3-amino-3-oxopropyl)-5-benzyl-1-(4-(tert-butoxy)phenyl)-14-(tert-butoxycarbonyl)-2-(((2-nitrophenyl)thio)amino)-3,6,9,12-tetraoxo-16-thia-4,7,10,13-tetraazaicosan-20-oate 78397-74-7 C54H67N9O15S2
    4-nitrophenyl (2S,5S,8S,11S,14R)-11-(2-amino-2-oxoethyl)-8-(3-amino-3-oxopropyl)-5-benzyl-1-(4-(tert-butoxy)phenyl)-14-(tert-butoxycarbonyl)-2-(((2-nitrophenyl)thio)amino)-3,6,9,12-tetraoxo-16-thia-4,7,10,13-tetraazaicosan-20-oate
    —— 4-pentenyl 3,4,6-tri-O-benzoyl-2-benzoyloxyimino-β-D-arabino-hexopyranoside 141514-07-0 C39H35NO10
    4-pentenyl 3,4,6-tri-O-benzoyl-2-benzoyloxyimino-β-D-arabino-hexopyranoside
    —— 4-Chlor-3-nitro-phenylessigsaeure-(4-chlor-phenylester) 92150-91-9 C14H9Cl2NO4
    4-Chlor-3-nitro-phenylessigsaeure-(4-chlor-phenylester)
    —— 4-{4-[1-(2,2,2-trichloro-ethoxy)-ethoxy]-but-2-ynyl}-morpholine 62943-38-8 C12H18Cl3NO3
    4-{4-[1-(2,2,2-trichloro-ethoxy)-ethoxy]-but-2-ynyl}-morpholine
    —— 4a-Hydroxy-3,6-bis-(4-methoxy-phenyl)-9-(4-nitro-phenyl)-3,4,4a,5,6,7,9,9a-octahydro-2H-xanthene-1,8-dione 59586-49-1 C33H31NO8
    4a-Hydroxy-3,6-bis-(4-methoxy-phenyl)-9-(4-nitro-phenyl)-3,4,4a,5,6,7,9,9a-octahydro-2H-xanthene-1,8-dione
    —— 4-carbethoxy-3-N-ethylacetamido-1-methylpiperazin-2-one 104143-63-7 C12H21N3O4
    4-carbethoxy-3-N-ethylacetamido-1-methylpiperazin-2-one
    —— 4,11-diphenylanthra[2,3-b]thiophene 1182318-46-2 C28H18S
    4,11-diphenylanthra[2,3-b]thiophene
    —— 4-{[(2-formyl-pyridine-4-carbonyl)-amino]-methyl}-piperidine-1-carboxylic acid benzyl ester 471254-09-8 C21H23N3O4
    4-{[(2-formyl-pyridine-4-carbonyl)-amino]-methyl}-piperidine-1-carboxylic acid benzyl ester
    —— 4-amino-3-chloro-1-(5-O-tert-butyldimethylsilyl-2-deoxy-β-D-erythro-pentofuranosyl)pyridazin-6-one 156549-59-6 C15H26ClN3O4Si
    4-amino-3-chloro-1-(5-O-tert-butyldimethylsilyl-2-deoxy-β-D-erythro-pentofuranosyl)pyridazin-6-one
    —— {4-[2-(4-fluoro-3-methyl-phenylamino)-pyrrolo[2,3-d]pyrimidin-7-yl]-2-methyl-phenyl}-morpholin-4-yl-methanone 1180155-29-6 C25H24FN5O2
    {4-[2-(4-fluoro-3-methyl-phenylamino)-pyrrolo[2,3-d]pyrimidin-7-yl]-2-methyl-phenyl}-morpholin-4-yl-methanone
    —— 4-trifluoromethylbenzyl 4-[4-(2-oxo-2,3-dihydrobenzoxazol-6-ylcarbamoyl)thiazol-2-yl]piperidine-1-carboxylate 1141395-30-3 C25H21F3N4O5S
    4-trifluoromethylbenzyl 4-[4-(2-oxo-2,3-dihydrobenzoxazol-6-ylcarbamoyl)thiazol-2-yl]piperidine-1-carboxylate
    —— 4-morpholin-4-ylmethylbenzyl 4-[4-(2-oxo-2,3-dihydrobenzoxazol-6-ylcarbamoyl)thiazol-2-yl]-piperazine-1-carboxylate 1141395-09-6 C28H30N6O6S
    4-morpholin-4-ylmethylbenzyl 4-[4-(2-oxo-2,3-dihydrobenzoxazol-6-ylcarbamoyl)thiazol-2-yl]-piperazine-1-carboxylate
    —— 4-Anthracen-2-yl-bicyclo[2.2.2]octane-1-carboxylic acid ethyl ester 138925-94-7 C25H26O2
    4-Anthracen-2-yl-bicyclo[2.2.2]octane-1-carboxylic acid ethyl ester
    —— 4-(2-(2,8-dimethyl-3,4-dihydro-1H-pyrido[4,3-b]indol-5(2H)-yl)-1-(pyridin-4-yl)ethoxy)butanoic acid 1570076-67-3 C24H29N3O3
    4-(2-(2,8-dimethyl-3,4-dihydro-1H-pyrido[4,3-b]indol-5(2H)-yl)-1-(pyridin-4-yl)ethoxy)butanoic acid
    —— (4-nitrophenyl) N-cyano-N-propan-2-ylcarbamimidate 105078-75-9 C11H12N4O3
    (4-nitrophenyl) N-cyano-N-propan-2-ylcarbamimidate
    —— 4α,8aβ-dimethyl-1,4,4aβ,8,8a,9,10,10aβ-octahydro-6(7H)-phenanthrenone 144657-23-8 C16H22O
    4α,8aβ-dimethyl-1,4,4aβ,8,8a,9,10,10aβ-octahydro-6(7H)-phenanthrenone
    —— 4-(3-oxo-but-1-enylamino)-benzoic acid 92288-37-4 C11H11NO3
    4-(3-oxo-but-1-enylamino)-benzoic acid
    —— 4,5-Difluoro-4-heptafluoropropyl-5-trifluoromethyl-[1,3,2]dioxathiolane 2,2-dioxide 132182-89-9 C6F12O4S
    4,5-Difluoro-4-heptafluoropropyl-5-trifluoromethyl-[1,3,2]dioxathiolane 2,2-dioxide
    —— 4,4-diphenyl-3-fluoro-piperidine 850606-19-8 C17H18FN
    4,4-diphenyl-3-fluoro-piperidine
    —— [4-[(Z)-Phenylimino]-3-(triphenyl-λ<sup>5</sup>-phosphanylidene)-thietan-(2E)-ylideneamino]-acetic acid methyl ester 108159-93-9 C30H25N2O2PS
    [4-[(Z)-Phenylimino]-3-(triphenyl-λ<sup>5</sup>-phosphanylidene)-thietan-(2E)-ylideneamino]-acetic acid methyl ester
    —— 4-iodo-benzoic acid salicylidenehydrazide 125741-52-8 C14H11IN2O2
    4-iodo-benzoic acid salicylidenehydrazide
    —— (4R,5R)-5-(2-Methanesulfonyloxy-ethyl)-4-methanesulfonyloxymethyl-cyclopent-1-enecarboxylic acid methyl ester 110192-99-9 C12H20O8S2
    (4R,5R)-5-(2-Methanesulfonyloxy-ethyl)-4-methanesulfonyloxymethyl-cyclopent-1-enecarboxylic acid methyl ester
    —— (4S,5R)-methyl 2,2-dimethyl-5-((R)-2,2,4-trimethyloxazolidin-4-yl)-1,3-dioxolane-4-carboxylate 937739-98-5 C13H23NO5
    (4S,5R)-methyl 2,2-dimethyl-5-((R)-2,2,4-trimethyloxazolidin-4-yl)-1,3-dioxolane-4-carboxylate
    —— (4R,6S)-4-Benzylsulfanyl-6-{2-[3-(4-fluoro-phenoxy)-propyl]-4,6-dimethyl-phenoxymethyl}-tetrahydro-pyran-2-one 109332-83-4 C30H33FO4S
    (4R,6S)-4-Benzylsulfanyl-6-{2-[3-(4-fluoro-phenoxy)-propyl]-4,6-dimethyl-phenoxymethyl}-tetrahydro-pyran-2-one
    —— 4-{4-[2-(3,5-Difluoro-phenylamino)-pyrimidin-4-yl]-benzenesulfonyl}-piperazine-1-carboxylic acid tert-butyl ester 677752-93-1 C25H27F2N5O4S
    4-{4-[2-(3,5-Difluoro-phenylamino)-pyrimidin-4-yl]-benzenesulfonyl}-piperazine-1-carboxylic acid tert-butyl ester
    —— 4-{2-[2-(4-chloro-phenyl)-5-fluoro-benzoimidazol-1-yl]-2-cyclohexyl-acetylamino}-3-fluoro-benzoic acid 1162676-28-9 C28H24ClF2N3O3
    4-{2-[2-(4-chloro-phenyl)-5-fluoro-benzoimidazol-1-yl]-2-cyclohexyl-acetylamino}-3-fluoro-benzoic acid
    —— 4-(2-Anthracenyl)bicyclo<2.2.2>oct-1-ylmethanol 138925-99-2 C23H24O
    4-(2-Anthracenyl)bicyclo<2.2.2>oct-1-ylmethanol
    —— 4-Phenylbenzyl 3-(bromomethyl)benzoate 137414-64-3 C21H17BrO2
    4-Phenylbenzyl 3-(bromomethyl)benzoate
    —— 4-benzylsulfanylmethyl-1-butyl-5-{4-[dimethylamino-(3-fluorophenyl)-methyl]-cyclohexylmethyl}-4,5-dihydro-1H-imidazole-4-carboxylic acid methyl ester 943450-05-3 C33H46FN3O2S
    4-benzylsulfanylmethyl-1-butyl-5-{4-[dimethylamino-(3-fluorophenyl)-methyl]-cyclohexylmethyl}-4,5-dihydro-1H-imidazole-4-carboxylic acid methyl ester
    —— 4-[2,3-Dihydro-2-oxo-1-phenyl-3-(4-pyridinylmethyl)-1H-indol-3-yl]-2-butenoic Acid Ethyl Ester Hydrochloride 150898-67-2 C26H24N2O3*ClH
    4-[2,3-Dihydro-2-oxo-1-phenyl-3-(4-pyridinylmethyl)-1H-indol-3-yl]-2-butenoic Acid Ethyl Ester Hydrochloride
    —— {4-[4-(3-chlorophenyl)-2-piperidin-1-yl-thiazol-5-yl]pyrimidin-2-yl}cyclohexylamine 917809-73-5 C24H28ClN5S
    {4-[4-(3-chlorophenyl)-2-piperidin-1-yl-thiazol-5-yl]pyrimidin-2-yl}cyclohexylamine
    —— (4aR*,5S*,8aS*)-5β-pentyl-cis-decahydroquinoline-2,7-dione 92264-00-1 C14H23NO2
    (4aR*,5S*,8aS*)-5β-pentyl-cis-decahydroquinoline-2,7-dione
    —— 4-(2-Cyan-ethyl)-piperazin-carbonsaeure-(2)-methylester 69491-31-2 C9H15N3O2
    4-(2-Cyan-ethyl)-piperazin-carbonsaeure-(2)-methylester
    —— 4-Nitro-benzenecarboperoxoic acid 1-(1-chloro-1-methyl-ethyl)-cyclopentyl ester 69164-42-7 C15H18ClNO5
    4-Nitro-benzenecarboperoxoic acid 1-(1-chloro-1-methyl-ethyl)-cyclopentyl ester
    —— 4-amino-5-chloro-2-ethoxy-N-<3-(octahydropyrido<2,1-c><1,4>oxazinyl)methyl>benzamide 141814-69-9 C18H26ClN3O3
    4-amino-5-chloro-2-ethoxy-N-<3-(octahydropyrido<2,1-c><1,4>oxazinyl)methyl>benzamide
    —— 4-imidazo[1,2-<i>a</i>]pyrimidin-2-yl-4-oxo-but-2-enoic acid 69268-25-3 C10H7N3O3
    4-imidazo[1,2-<i>a</i>]pyrimidin-2-yl-4-oxo-but-2-enoic acid
    —— 4-(5-Methyl-3,4-dihydro-pyrimidin-4-yl)-benzene-1,2,3-triol; hydrochloride 69536-13-6 C11H12N2O3*ClH
    4-(5-Methyl-3,4-dihydro-pyrimidin-4-yl)-benzene-1,2,3-triol; hydrochloride
    —— 4-(3-methylpiperidin-1-yl)-2-[4-(4-morpholino)phenyl]amino-7H-pyrrolo[2,3-d]pyrimidine 1070164-45-2 C22H28N6O
    4-(3-methylpiperidin-1-yl)-2-[4-(4-morpholino)phenyl]amino-7H-pyrrolo[2,3-d]pyrimidine
    —— 4-[4-(1,5-Diamino-4,8-dihydroxy-9,10-dioxo-9,10-dihydro-anthracen-2-yl)-phenoxy]-butyronitrile 55994-87-1 C24H19N3O5
    4-[4-(1,5-Diamino-4,8-dihydroxy-9,10-dioxo-9,10-dihydro-anthracen-2-yl)-phenoxy]-butyronitrile
    —— 4-Brom-3,5,5-trimethyl-isopyrazol-1,2-dioxid 70151-62-1 C6H9BrN2O2
    4-Brom-3,5,5-trimethyl-isopyrazol-1,2-dioxid
    —— 4-[(3-carboxymethylphenylcarbamoyl)-methoxy]-7-chloro-naphthalene-2-carboxylic acid 1257342-47-4 C21H16ClNO6
    4-[(3-carboxymethylphenylcarbamoyl)-methoxy]-7-chloro-naphthalene-2-carboxylic acid
    —— 4-chloro-N-[5-ethyl-4-(4-hydroxyphenyl)-1,3-selenazol-2-yl]benzamide 1245904-65-7 C18H15ClN2O2Se
    4-chloro-N-[5-ethyl-4-(4-hydroxyphenyl)-1,3-selenazol-2-yl]benzamide
    —— 4'-methyl-5-tetrazol-1-yl-biphenyl-3-carboxylic acid[2-(3,4-dimethoxy-phenyl)-ethyl]-amide 1138322-55-0 C25H25N5O3
    4'-methyl-5-tetrazol-1-yl-biphenyl-3-carboxylic acid[2-(3,4-dimethoxy-phenyl)-ethyl]-amide
    —— 4-bromo-oct-3-en-2-one 1679-33-0 C8H13BrO
    4-bromo-oct-3-en-2-one
    —— 4-Isopropylbrenzcatechin-2-O-triacetyl-β-D-glucopyranosiduronsaeuremethylester 117591-54-5 C22H28O11
    4-Isopropylbrenzcatechin-2-O-triacetyl-β-D-glucopyranosiduronsaeuremethylester
    —— 4-((tert-butyldiphenylsilyl)oxy)-1-(2,6-dimethylcyclohex-1-en-1-yl)butan-1-ol 1352034-80-0 C28H40O2Si
    4-((tert-butyldiphenylsilyl)oxy)-1-(2,6-dimethylcyclohex-1-en-1-yl)butan-1-ol
    —— 4-(3-amino-4-(4-(2-methoxyethyl)piperazin-1-yl)phenyl)phthalazin-1(2H)-one 1147013-32-8 C21H25N5O2
    4-(3-amino-4-(4-(2-methoxyethyl)piperazin-1-yl)phenyl)phthalazin-1(2H)-one
    —— 4'-Acetoxy-3,4-dimethoxy-3',5'-dimethylchalcon 69299-24-7 C21H22O5
    4'-Acetoxy-3,4-dimethoxy-3',5'-dimethylchalcon