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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4α,8,14-Trimethyl-18-nor-5α,8α,9β,14β-androstandion-3,17 13260-29-2 C21H32O2
    4α,8,14-Trimethyl-18-nor-5α,8α,9β,14β-androstandion-3,17
    —— 4-chloro-N-[2-isopropyl-3-(4-methoxyphenylsulfonyl)-5-methyl-4-oxocyclohexa-2,5-dien-1-ylidene]benzamide 1189803-74-4 C24H22ClNO5S
    4-chloro-N-[2-isopropyl-3-(4-methoxyphenylsulfonyl)-5-methyl-4-oxocyclohexa-2,5-dien-1-ylidene]benzamide
    —— 4,6-dimethyl-3-phenylbenzofuran 26039-90-7 C16H14O
    4,6-dimethyl-3-phenylbenzofuran
    —— 4-Heptyloxy-benzoic acid 3-hydroxy-4-{[(E)-4-octyl-phenylimino]-methyl}-phenyl ester 132329-28-3 C35H45NO4
    4-Heptyloxy-benzoic acid 3-hydroxy-4-{[(E)-4-octyl-phenylimino]-methyl}-phenyl ester
    —— 4-[1-(4-Methoxy-phenyl)-5-oxo-1,5-dihydro-pyrrol-(2Z)-ylidene]-1-phenyl-pyrazolidine-3,5-dione 79326-71-9 C20H15N3O4
    4-[1-(4-Methoxy-phenyl)-5-oxo-1,5-dihydro-pyrrol-(2Z)-ylidene]-1-phenyl-pyrazolidine-3,5-dione
    —— 4-tert-Butyl-2,6-dimethylbenzyl nitrate 19607-72-8 C13H19NO3
    4-tert-Butyl-2,6-dimethylbenzyl nitrate
    —— 4-(2-Isobutoxy-ethyl)-3,6-dihydro-2H-pyran 87399-57-3 C11H20O2
    4-(2-Isobutoxy-ethyl)-3,6-dihydro-2H-pyran
    —— 4-[(2-chlorobenzyl)oxy]-2-(4-fluorophenyl)-1,3-thiazole-5-carboxylic acid 1445752-49-7 C17H11ClFNO3S
    4-[(2-chlorobenzyl)oxy]-2-(4-fluorophenyl)-1,3-thiazole-5-carboxylic acid
    —— 4-(3'-chloro-4'-fluorophenylamino)-6-[3-(2,7-diazaspiro[4.4]nonane-1-ketone-7-yl)propoxy]-7-methoxyquinazoline 1445861-45-9 C25H27ClFN5O3
    4-(3'-chloro-4'-fluorophenylamino)-6-[3-(2,7-diazaspiro[4.4]nonane-1-ketone-7-yl)propoxy]-7-methoxyquinazoline
    —— 4-[(1-(5-Chloro-2-N-cyclohexyl-N-methylamino-phenyl)-1-ethyl)-aminocarbonylmethyl]-benzoic acid 83895-35-6 C24H29ClN2O3
    4-[(1-(5-Chloro-2-N-cyclohexyl-N-methylamino-phenyl)-1-ethyl)-aminocarbonylmethyl]-benzoic acid
    —— 4-Chloro-5-(5,5-dimethyl-2-thioxo-2λ<sup>5</sup>-[1,3,2]dioxaphosphinan-2-yloxy)-2-methyl-2H-pyridazin-3-one 76105-50-5 C10H14ClN2O4PS
    4-Chloro-5-(5,5-dimethyl-2-thioxo-2λ<sup>5</sup>-[1,3,2]dioxaphosphinan-2-yloxy)-2-methyl-2H-pyridazin-3-one
    —— (4S,5R,1'S)-5-<2'-<(4-Bromobenzyl)oxy>-1'-hydroxyethyl>-4-hydroxy-2-oxo-1-oxacyclopentane 172293-72-0 C13H15BrO5
    (4S,5R,1'S)-5-<2'-<(4-Bromobenzyl)oxy>-1'-hydroxyethyl>-4-hydroxy-2-oxo-1-oxacyclopentane
    —— [(4R,5R)-5-((R)-6-Ethynyl-2,2-dimethyl-[1,3]dioxan-4-yl)-2,2,5-trimethyl-[1,3]dioxolan-4-yl]-acetaldehyde 883899-77-2 C16H24O5
    [(4R,5R)-5-((R)-6-Ethynyl-2,2-dimethyl-[1,3]dioxan-4-yl)-2,2,5-trimethyl-[1,3]dioxolan-4-yl]-acetaldehyde
    —— (4-Chloro-1-benzothiophen-2-yl)-[4-[1-(3-chlorophenyl)-1,2,4-triazole-3-carbonyl]-2-methylpiperazin-1-yl]methanone 1443757-98-9 C23H19Cl2N5O2S
    (4-Chloro-1-benzothiophen-2-yl)-[4-[1-(3-chlorophenyl)-1,2,4-triazole-3-carbonyl]-2-methylpiperazin-1-yl]methanone
    —— 4-(2,4-dinitro-phenoxy)-benzenesulfonic acid 4315-24-6 C12H8N2O8S
    4-(2,4-dinitro-phenoxy)-benzenesulfonic acid
    —— 4,5-dichloroheptafluoro-2-aza-2-pentene 4776-86-7 C4Cl2F7N
    4,5-dichloroheptafluoro-2-aza-2-pentene
    —— [4-[[(3S,4S)-3-methoxyoxan-4-yl]amino]piperidin-1-yl]-[5-methyl-2-(5-methyl-1,2-oxazol-3-yl)-6-[6-(trifluoromethyl)-3,4-dihydro-1H-isoquinolin-2-yl]pyrimidin-4-yl]methanone 1420297-29-5 C31H37F3N6O4
    [4-[[(3S,4S)-3-methoxyoxan-4-yl]amino]piperidin-1-yl]-[5-methyl-2-(5-methyl-1,2-oxazol-3-yl)-6-[6-(trifluoromethyl)-3,4-dihydro-1H-isoquinolin-2-yl]pyrimidin-4-yl]methanone
    —— 4-hydroxy-6-[(2R,4Z)-4-[(Z)-3-iodo-2-methylprop-2-enylidene]oxolan-2-yl]-3,5-dimethylpyran-2-one 817642-49-2 C15H17IO4
    4-hydroxy-6-[(2R,4Z)-4-[(Z)-3-iodo-2-methylprop-2-enylidene]oxolan-2-yl]-3,5-dimethylpyran-2-one
    —— 4-((2-nitro-3-oxoprop-1-en-1-yl)amino)-1-phenyl-1H-pyrrole-3-carboxamide 88796-52-5 C14H12N4O4
    4-((2-nitro-3-oxoprop-1-en-1-yl)amino)-1-phenyl-1H-pyrrole-3-carboxamide
    —— 4-Cyano-2(R,S)-α-naphthylmethylbutyric acid 105852-57-1 C16H15NO2
    4-Cyano-2(R,S)-α-naphthylmethylbutyric acid
    —— 4-Hydroxy-6-methyl-cinnoline-3-carbonitrile 189074-04-2 C10H7N3O
    4-Hydroxy-6-methyl-cinnoline-3-carbonitrile
    —— (4bS,4cS,9bS,9cR)-4c-Ethyl-7,9-dimethoxy-9c-methyl-9b-phenyl-4b,4c,9b,9c-tetrahydro-benzo[b]cyclopropa[lm]fluoren-5-one 99707-89-8 C28H26O3
    (4bS,4cS,9bS,9cR)-4c-Ethyl-7,9-dimethoxy-9c-methyl-9b-phenyl-4b,4c,9b,9c-tetrahydro-benzo[b]cyclopropa[lm]fluoren-5-one
    —— 4-methoxy-4-oxo-2-butenyl 5-(hydroxyphenylamino)-4-<<(4-methoxy-4-oxo-2-butenyl)oxy>carbonyl>-2-phenyl-3-isoxazolidineacetate 102869-64-7 C28H30N2O10
    4-methoxy-4-oxo-2-butenyl 5-(hydroxyphenylamino)-4-<<(4-methoxy-4-oxo-2-butenyl)oxy>carbonyl>-2-phenyl-3-isoxazolidineacetate
    —— (+/-)-4-amino-1,3,5,5,6<i>c</i>-pentachloro-2-oxo-cyclohex-3-ene-<i>r</i>-carboxylic acid methyl ester 98557-95-0 C8H6Cl5NO3
    (+/-)-4-amino-1,3,5,5,6<i>c</i>-pentachloro-2-oxo-cyclohex-3-ene-<i>r</i>-carboxylic acid methyl ester
    —— 4-(4-Methoxy-phenyl)-5-(4-methoxy-phenylsulfanyl)-[1,2,3]selenadiazole 85143-11-9 C16H14N2O2SSe
    4-(4-Methoxy-phenyl)-5-(4-methoxy-phenylsulfanyl)-[1,2,3]selenadiazole
    —— 4,4'-di-tert-butyl-3,3'-dimethyl-2,2'-dimethoxybiphenyl 32565-39-2 C24H34O2
    4,4'-di-tert-butyl-3,3'-dimethyl-2,2'-dimethoxybiphenyl
    —— 4-(4-methylaminophenyl)-2,3,9-trimethyl-6H-thieno[3,2-f][1,2,4]triazolo[4,3-a][1,4]diazepine 916493-55-5 C18H19N5S
    4-(4-methylaminophenyl)-2,3,9-trimethyl-6H-thieno[3,2-f][1,2,4]triazolo[4,3-a][1,4]diazepine
    —— (4S,5R)-5-(methoxymethyl)-2,5-dimethylheptan-4-yl (S)-3,3,3-trifluoro-2-methoxy-2-phenylpropanoate 1221590-51-7 C21H31F3O4
    (4S,5R)-5-(methoxymethyl)-2,5-dimethylheptan-4-yl (S)-3,3,3-trifluoro-2-methoxy-2-phenylpropanoate
    —— 4-Amino-1-(4-tert-butyl-phenylamino)-2-hydroxy-anthraquinone 35712-36-8 C24H22N2O3
    4-Amino-1-(4-tert-butyl-phenylamino)-2-hydroxy-anthraquinone
    —— 4-(2-methylphenyl)-5,5-dimethyl-1,2,4-oxadiazolidine-3-one 61922-73-4 C11H14N2O2
    4-(2-methylphenyl)-5,5-dimethyl-1,2,4-oxadiazolidine-3-one
    —— 4-{[2-(2,4-dichloro-phenyl)-indan-5-yl]-thioacetyl}-morpholine 60231-66-5 C21H21Cl2NOS
    4-{[2-(2,4-dichloro-phenyl)-indan-5-yl]-thioacetyl}-morpholine
    —— 4-hydrazino-1-methyl-3-(1-methyl-5-nitroimidazol-2-yl)-1H-pyrazolo[3,4-d]pyrimidine monosulfate 58037-47-1 C10H11N9O2*H2O4S
    4-hydrazino-1-methyl-3-(1-methyl-5-nitroimidazol-2-yl)-1H-pyrazolo[3,4-d]pyrimidine monosulfate
    —— 4-[5-(1-imidazolylmethyl)-thien-2-yl]-4-oxo-butyric acid 85581-71-1 C12H12N2O3S
    4-[5-(1-imidazolylmethyl)-thien-2-yl]-4-oxo-butyric acid
    —— 4-[1-(4-Methoxyphenyl)-2,5-diphenyl-4,5-dihydroimidazol-4-yl]morpholine 89646-88-8 C26H27N3O2
    4-[1-(4-Methoxyphenyl)-2,5-diphenyl-4,5-dihydroimidazol-4-yl]morpholine
    —— 4-Azidopregn-4-ene-3,20-dione 141024-55-7 C21H29N3O2
    4-Azidopregn-4-ene-3,20-dione
    —— {4-[2-(4-Methoxy-phenyl)-thiazol-4-yl]-phenyl}-[1-(5-nitro-furan-2-yl)-meth-(E)-ylidene]-amine 54883-28-2 C21H15N3O4S
    {4-[2-(4-Methoxy-phenyl)-thiazol-4-yl]-phenyl}-[1-(5-nitro-furan-2-yl)-meth-(E)-ylidene]-amine
    —— (4-isopropyl-phenyl)-[6-(4-isopropyl-phenyl)-6-methyl-1,2,5,6-tetrahydro-[1,2,4,5]tetrazin-3-yl]-methanone hydrazone 52546-77-7 C22H30N6
    (4-isopropyl-phenyl)-[6-(4-isopropyl-phenyl)-6-methyl-1,2,5,6-tetrahydro-[1,2,4,5]tetrazin-3-yl]-methanone hydrazone
    —— 4-hydroxy-1-<i>m</i>-tolyl-1<i>H</i>-pyrazole-3-carboxylic acid anilide 54026-76-5 C17H15N3O2
    4-hydroxy-1-<i>m</i>-tolyl-1<i>H</i>-pyrazole-3-carboxylic acid anilide
    —— 4-(3-Methoxyphenyl)-2-acetoxy-3-oxo-butyriminolacton 41418-82-0 C13H13NO5
    4-(3-Methoxyphenyl)-2-acetoxy-3-oxo-butyriminolacton
    —— 4-Hydroxy-4-vinyl-7-methylisothiochroman 56294-82-7 C12H14OS
    4-Hydroxy-4-vinyl-7-methylisothiochroman
    —— 4-butyl-5-methoxy-4-methyl-2-(5-phenyl-1<i>H</i>-[1,2,4]triazol-3-yl)-2,4-dihydro-pyrazol-3-one 62214-53-3 C17H21N5O2
    4-butyl-5-methoxy-4-methyl-2-(5-phenyl-1<i>H</i>-[1,2,4]triazol-3-yl)-2,4-dihydro-pyrazol-3-one
    —— 4-Diethylaminchinaldinsaeure-N-oxid 42365-29-7 C14H16N2O3
    4-Diethylaminchinaldinsaeure-N-oxid
    —— 4-(4-Methoxy-phenyl)-6-methylamino-hept-1-yn-4-ol 54136-72-0 C15H21NO2
    4-(4-Methoxy-phenyl)-6-methylamino-hept-1-yn-4-ol
    —— 4'-Benzyloxy-7-hydroxy-5,8-dimethoxyflavon 57096-04-5 C24H20O6
    4'-Benzyloxy-7-hydroxy-5,8-dimethoxyflavon
    —— 4-Cyclohexyl-2-xanthyl-3,5-dioxo-1,2,4-oxadiazolidin 27268-86-6 C21H20N2O4
    4-Cyclohexyl-2-xanthyl-3,5-dioxo-1,2,4-oxadiazolidin
    —— 4-methyl-pyrazolidine-1,2-dicarboxylic acid bis-(4-chloro-anilide) 40028-75-9 C18H18Cl2N4O2
    4-methyl-pyrazolidine-1,2-dicarboxylic acid bis-(4-chloro-anilide)
    —— 4,4'-(3,6-dioxa-octanediyl)-bis-piperazine-1-carboxylic acid diethyl ester 112577-20-5 C20H38N4O6
    4,4'-(3,6-dioxa-octanediyl)-bis-piperazine-1-carboxylic acid diethyl ester
    —— 4-((7-(1-benzyl-1H-1,2,3-triazol-4-yl)-2-oxo-2H-chromen-4-yl)methoxy)-4-oxobutanoic acid 1398757-04-4 C23H19N3O6
    4-((7-(1-benzyl-1H-1,2,3-triazol-4-yl)-2-oxo-2H-chromen-4-yl)methoxy)-4-oxobutanoic acid
    —— 4-[(4E)-4-(4-methoxybenzylidene)-5-oxo-2-phenyl-4,5-dihydro-1H-imidazol-1-yl]benzoic acid 1422137-87-8 C24H18N2O4
    4-[(4E)-4-(4-methoxybenzylidene)-5-oxo-2-phenyl-4,5-dihydro-1H-imidazol-1-yl]benzoic acid
    —— 4-iodo-1-naphthoyl chloride 1261623-53-3 C11H6ClIO
    4-iodo-1-naphthoyl chloride