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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4,7-dioxa-5-trifluoromethyl-2,2,3,3,5,6,6,8,9,9-decafluoronon-8-enyl methacrylate 139651-99-3 C12H7F13O4
    4,7-dioxa-5-trifluoromethyl-2,2,3,3,5,6,6,8,9,9-decafluoronon-8-enyl methacrylate
    —— (4S,5S)-ethyl 4-((S)-1-((S)-2-methoxy-2-phenylacetoxy)allyl)-2,2-dimethyl-5-phenyl-1,3-dioxolane-4-carboxylate 1354789-88-0 C26H30O7
    (4S,5S)-ethyl 4-((S)-1-((S)-2-methoxy-2-phenylacetoxy)allyl)-2,2-dimethyl-5-phenyl-1,3-dioxolane-4-carboxylate
    —— 4-acetyl-2-amino-benzoic acid amide 860554-21-8 C9H10N2O2
    4-acetyl-2-amino-benzoic acid amide
    —— 4-(6-hydroxy-3-(trifluoromethyl)quinolin-2-yl)benzoic acid 1371587-78-8 C17H10F3NO3
    4-(6-hydroxy-3-(trifluoromethyl)quinolin-2-yl)benzoic acid
    —— 4-Nitro-benzoic acid (2R,3R,4S,5S)-2-methoxy-4-methyl-5-trityloxymethyl-tetrahydro-furan-3-yl ester 40147-73-7 C33H31NO7
    4-Nitro-benzoic acid (2R,3R,4S,5S)-2-methoxy-4-methyl-5-trityloxymethyl-tetrahydro-furan-3-yl ester
    —— 4-(2-methyl-3-oxo-2,3-dihydro-pyrrolo[3,4-<i>b</i>]quinoxalin-1-ylideneamino)-benzoic acid 52478-89-4 C18H12N4O3
    4-(2-methyl-3-oxo-2,3-dihydro-pyrrolo[3,4-<i>b</i>]quinoxalin-1-ylideneamino)-benzoic acid
    —— 4,4,4-trifluoro-3-(trifluoromethyl)but-2-enoyl chloride 686-72-6 C5HClF6O
    4,4,4-trifluoro-3-(trifluoromethyl)but-2-enoyl chloride
    —— 4,4-difluoro-1,3,5,7-tetramethyl-8-(3-thienyl)-4-bora-3a,4a-diaza-s-indacene 1416913-29-5 C17H17BF2N2S
    4,4-difluoro-1,3,5,7-tetramethyl-8-(3-thienyl)-4-bora-3a,4a-diaza-s-indacene
    —— 4-methyl-1,2,3-thiadiazole-5-carboxylic acid [5-(4-chlorophenyl)-6-(2,2,2-trifluoroethoxy)pyridin-3-yl]amide 1372605-31-6 C17H12ClF3N4O2S
    4-methyl-1,2,3-thiadiazole-5-carboxylic acid [5-(4-chlorophenyl)-6-(2,2,2-trifluoroethoxy)pyridin-3-yl]amide
    —— 4-[7-chloro-2,3-bis(ethylamino)quinoxalin-6-yl]but-3-yn-2-ol 1372142-92-1 C16H19ClN4O
    4-[7-chloro-2,3-bis(ethylamino)quinoxalin-6-yl]but-3-yn-2-ol
    —— 4a-(2,3,4,5-Tetrachloro-6-hydroxy-phenoxy)-octahydro-naphthalene-1,5-dione 42245-87-4 C16H14Cl4O4
    4a-(2,3,4,5-Tetrachloro-6-hydroxy-phenoxy)-octahydro-naphthalene-1,5-dione
    —— 4,5-diphenyl-3,4-dihydro-2<i>H</i>-pyrazole-3,4-dicarboxylic acid dimethyl ester 50779-87-8 C19H18N2O4
    4,5-diphenyl-3,4-dihydro-2<i>H</i>-pyrazole-3,4-dicarboxylic acid dimethyl ester
    —— [4-(2-<i>sec</i>-butyl-6-indol-3-yl-3-oxo-3,7-dihydro-imidazo[1,2-<i>a</i>]pyrazin-8-yl)-butyl]-guanidine 51759-94-5 C23H29N7O
    [4-(2-<i>sec</i>-butyl-6-indol-3-yl-3-oxo-3,7-dihydro-imidazo[1,2-<i>a</i>]pyrazin-8-yl)-butyl]-guanidine
    —— 4-ethoxy-1-(2-deoxy-2-ethenylidene-3,5-O-tetraisopropyldisiloxyl-1,3-diyl-β-D-erythropentofuranosyl)-2(1H)-pyrimidone 130290-71-0 C25H42N2O6Si2
    4-ethoxy-1-(2-deoxy-2-ethenylidene-3,5-O-tetraisopropyldisiloxyl-1,3-diyl-β-D-erythropentofuranosyl)-2(1H)-pyrimidone
    —— 4-Methyl-3-methylidene-1-phenylpentan-2-one 67516-81-8 C13H16O
    4-Methyl-3-methylidene-1-phenylpentan-2-one
    —— 4-[3-(2-ethyl-3,5-dimethoxyphenylamino)quinoxalin-2-ylsulfamoyl]-N,N-dimethylbenzamide 1373666-14-8 C27H29N5O5S
    4-[3-(2-ethyl-3,5-dimethoxyphenylamino)quinoxalin-2-ylsulfamoyl]-N,N-dimethylbenzamide
    —— 4-{ [4-( {2-[rnethyl(methylsulfonyl)amino]benzyl} ainino)-7H-pyrrolo[2,3-d]pyrimidin-2-yl]amino}-N-(2-morpholin-4-ylethyl)benzamide 1372262-51-5 C28H34N8O4S
    4-{ [4-( {2-[rnethyl(methylsulfonyl)amino]benzyl} ainino)-7H-pyrrolo[2,3-d]pyrimidin-2-yl]amino}-N-(2-morpholin-4-ylethyl)benzamide
    —— 4-(4-ethylamino-5-(trifluoromethyl)pyrimidin-2-ylamino)-5-fluoro-N-(2-hydroxy-2-methyl-propyl)-2-methoxy-N-methyl-benzamide 1441201-24-6 C20H25F4N5O3
    4-(4-ethylamino-5-(trifluoromethyl)pyrimidin-2-ylamino)-5-fluoro-N-(2-hydroxy-2-methyl-propyl)-2-methoxy-N-methyl-benzamide
    —— 4-methyl-5-(3-methyl-1H-pyrazol-4-yl)-2-thiophenecarboxylic acid 1239577-10-6 C10H10N2O2S
    4-methyl-5-(3-methyl-1H-pyrazol-4-yl)-2-thiophenecarboxylic acid
    —— 4''-O-(phenethyl-carbamoyl)azithromycin 959842-89-8 C47H81N3O13
    4''-O-(phenethyl-carbamoyl)azithromycin
    —— 4-{4-[1-(1-acetylpiperidin-4-yl)-1H-pyrazol-4-yl]-7-aminofuro[2,3-c]pyridin-2-yl}-1,3-dihydro-2H-indol-2-one 1326711-12-9 C25H24N6O3
    4-{4-[1-(1-acetylpiperidin-4-yl)-1H-pyrazol-4-yl]-7-aminofuro[2,3-c]pyridin-2-yl}-1,3-dihydro-2H-indol-2-one
    —— 4-(benzyloxy)-2-[(4-{[(3-chlorophenyl)carbonyl]amino}phenyl)sulfonyl]butanoic acid 1369958-20-2 C24H22ClNO6S
    4-(benzyloxy)-2-[(4-{[(3-chlorophenyl)carbonyl]amino}phenyl)sulfonyl]butanoic acid
    —— 4-methyl-1-(4-nitrophenyl)-2,6,7-trioxabicyclo[2.2.2]octane 497870-47-0 C12H13NO5
    4-methyl-1-(4-nitrophenyl)-2,6,7-trioxabicyclo[2.2.2]octane
    —— 4'-(4-pyridin-4-ylethynyl-phenyl)[2,2';6',2'']terpyridine 1450665-97-0 C28H18N4
    4'-(4-pyridin-4-ylethynyl-phenyl)[2,2';6',2'']terpyridine
    —— 4-(1-[3-(benzoylamino)phenyl]-3-methoxy-propylamino)quinazoline-8-carboxylic acid amide 1240475-77-7 C26H25N5O3
    4-(1-[3-(benzoylamino)phenyl]-3-methoxy-propylamino)quinazoline-8-carboxylic acid amide
    —— 4,6,8-Tribromo-2-hydroxy-azulene-1,3-dicarbonitrile 52802-72-9 C12H3Br3N2O
    4,6,8-Tribromo-2-hydroxy-azulene-1,3-dicarbonitrile
    —— 4-iodo-3-methoxycarbonyl-1-[(2-acetoxyethoxy)methyl]pyrazole 273410-23-4 C10H13IN2O5
    4-iodo-3-methoxycarbonyl-1-[(2-acetoxyethoxy)methyl]pyrazole
    —— 4-{1-[3-(4-trifluoromethoxy-benzoylamino)phenyl]ethylamino}quinazoline-8-carboxylic acid amide 1240476-76-9 C25H20F3N5O3
    4-{1-[3-(4-trifluoromethoxy-benzoylamino)phenyl]ethylamino}quinazoline-8-carboxylic acid amide
    —— 4,4-dimethyl-5-nitro-hexan-2-one semicarbazone 98954-90-6 C9H18N4O3
    4,4-dimethyl-5-nitro-hexan-2-one semicarbazone
    —— 4-[(3S,5aR,6R,7R,8aS)-7-hydroxy-6-{(1E,3R)-3-hydroxy-4-[3-(trifluoromethoxy)phenoxy]-1-buten-1-yl}octahydro-2H-cyclopenta[b]oxepin-3-yl]butanoic acid 1262873-67-5 C24H31F3O7
    4-[(3S,5aR,6R,7R,8aS)-7-hydroxy-6-{(1E,3R)-3-hydroxy-4-[3-(trifluoromethoxy)phenoxy]-1-buten-1-yl}octahydro-2H-cyclopenta[b]oxepin-3-yl]butanoic acid
    —— 4-Chloro-3-chloromethyl-2-(diethoxy-phosphoryl)-but-2-enoic acid ethyl ester 53235-76-0 C11H19Cl2O5P
    4-Chloro-3-chloromethyl-2-(diethoxy-phosphoryl)-but-2-enoic acid ethyl ester
    —— 4-chloro-1,2-quinone dioxime 57019-54-2 C6H5ClN2O2
    4-chloro-1,2-quinone dioxime
    —— 4,5-(dimethylvinylenedithio)-1,3-dithiol-2-one 88682-17-1 C7H6OS4
    4,5-(dimethylvinylenedithio)-1,3-dithiol-2-one
    —— 4-chloro-9-methoxy-pyrrolo[1,2-a]quinoxaline 1616253-02-1 C12H9ClN2O
    4-chloro-9-methoxy-pyrrolo[1,2-a]quinoxaline
    —— 4-cyano-5-(4-methoxyphenyl)-2-methyl-2-(2-thienyl)-2,3-dihydrofuran-3-carboxamide 1296726-96-9 C18H16N2O3S
    4-cyano-5-(4-methoxyphenyl)-2-methyl-2-(2-thienyl)-2,3-dihydrofuran-3-carboxamide
    —— 4β-bromo-5α-cholestane.3β,5-diol 5-monoacetate 33444-65-4 C29H49BrO3
    4β-bromo-5α-cholestane.3β,5-diol 5-monoacetate
    —— 4-{(R)-2-[(6-phenyl-4-thiophen-3-yl-pyridine-2-carbonyl)-amino]-3 phosphono-propionyl}-piperazine-1-carboxylic acid ethyl ester 1191263-39-4 C26H29N4O7PS
    4-{(R)-2-[(6-phenyl-4-thiophen-3-yl-pyridine-2-carbonyl)-amino]-3 phosphono-propionyl}-piperazine-1-carboxylic acid ethyl ester
    —— 4-Amino-3'-chlortolan 15851-78-2 C14H10ClN
    4-Amino-3'-chlortolan
    —— [4-(4,4'-dichloro-benzhydryloxy)-butyl]-dimethyl-[2-(1-methyl-piperidinium-1-yl)-ethyl]-ammonium; diiodide 109403-31-8 C27H40Cl2N2O*2I
    [4-(4,4'-dichloro-benzhydryloxy)-butyl]-dimethyl-[2-(1-methyl-piperidinium-1-yl)-ethyl]-ammonium; diiodide
    —— 4,6-dimethoxy-2-[(4-nitrophenyl)amino]pyrimidine 1627898-18-3 C12H12N4O4
    4,6-dimethoxy-2-[(4-nitrophenyl)amino]pyrimidine
    —— (4S)-4-benzyl-3-[(3S)-5-(4-methoxybenzyloxy)-3-methylpentanoyl]oxazolidin-2-one 946578-17-2 C24H29NO5
    (4S)-4-benzyl-3-[(3S)-5-(4-methoxybenzyloxy)-3-methylpentanoyl]oxazolidin-2-one
    —— 4-tert-butylcyclohexanone-1-(13)C 98760-45-3 C10H18O
    4-tert-butylcyclohexanone-1-(13)C
    —— 4-((R)-2-([6-(4-fluoro-phenyl)-4-phenyl-pyridine-2-carbonyl]-amino)-3-phosphono-propionyl)-piperazine-1-carboxylic acid butyl ester 1191263-53-2 C30H34FN4O7P
    4-((R)-2-([6-(4-fluoro-phenyl)-4-phenyl-pyridine-2-carbonyl]-amino)-3-phosphono-propionyl)-piperazine-1-carboxylic acid butyl ester
    —— {4-[(4,5-dimethyl-1H-benzoimidazol-2-ylmethyl)-(5,6,7,8-tetrahydro-quinolin-8-yl)-amino]-butyl}-carbamic Acid Tert-Butyl Ester 558445-62-8 C28H39N5O2
    {4-[(4,5-dimethyl-1H-benzoimidazol-2-ylmethyl)-(5,6,7,8-tetrahydro-quinolin-8-yl)-amino]-butyl}-carbamic Acid Tert-Butyl Ester
    —— 4-(phenylthio)(1,1-D2)butan-1-ol 140652-91-1 C10H14OS
    4-(phenylthio)(1,1-D2)butan-1-ol
    —— (+-)-(4t-allyl-2t-carboxy-pyrrolidin-3r-yl)-acetic acid 100132-71-6 C10H15NO4
    (+-)-(4t-allyl-2t-carboxy-pyrrolidin-3r-yl)-acetic acid
    —— (4-nitrophenyl) 2-(dodecanoylamino)-4-methylpentanoate 7685-77-0 C24H38N2O5
    (4-nitrophenyl) 2-(dodecanoylamino)-4-methylpentanoate
    —— 4-(2,5-Dimethoxy-3,4,6-trimethyl-styryl)-benzaldehyd 94757-21-8 C20H22O3
    4-(2,5-Dimethoxy-3,4,6-trimethyl-styryl)-benzaldehyd
    —— 4-(2-Piperidino-butyl)-phenol 101355-96-8 C15H23NO
    4-(2-Piperidino-butyl)-phenol
    —— 4-Pyridinamine, 2-[4-(aminomethyl)-1H-pyrazol-1-yl]- 1780932-00-4 C9H11N5
    4-Pyridinamine, 2-[4-(aminomethyl)-1H-pyrazol-1-yl]-