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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4(R),6(R)-dimethyl-2-butyl-1,3-dioxane 93548-27-7 C10H20O2
    4(R),6(R)-dimethyl-2-butyl-1,3-dioxane
    —— 4-oct-1-ynyltricyclo[4.3.1.03,8]decan-4-ol 1014693-95-8 C18H28O
    4-oct-1-ynyltricyclo[4.3.1.03,8]decan-4-ol
    —— 4,4-bis-ethylsulfanyl-pent-2-yne 22351-93-5 C9H16S2
    4,4-bis-ethylsulfanyl-pent-2-yne
    —— 4,10-bis(carboxymethyl)-1,4,7,10-tetraazabicyclo[5.5.3]pentadecane· 1276543-34-0 C15H28N4O4
    4,10-bis(carboxymethyl)-1,4,7,10-tetraazabicyclo[5.5.3]pentadecane·
    —— 4-Benzyloxy-2-mercapto-6-methyl-phenol 474526-95-9 C14H14O2S
    4-Benzyloxy-2-mercapto-6-methyl-phenol
    —— 4-N-chloroacetyl-5-carbethoxycytosine 132304-26-8 C9H10ClN3O4
    4-N-chloroacetyl-5-carbethoxycytosine
    —— 4-(α-morpholino-benzylidene)-morpholinium; iodide 84759-20-6 C15H21N2O2*I
    4-(α-morpholino-benzylidene)-morpholinium; iodide
    —— 4-{[(dimethylamino)ethylidene]amino}-3-iodo-1-(5'-O-(4,4'-dimethoxytriphenylmethyl)-β-D-ribofuranosyl)-1H-pyrazolo[3,4-d]pyrimidine 1185880-43-6 C35H37IN6O6
    4-{[(dimethylamino)ethylidene]amino}-3-iodo-1-(5'-O-(4,4'-dimethoxytriphenylmethyl)-β-D-ribofuranosyl)-1H-pyrazolo[3,4-d]pyrimidine
    —— 4,5-dichloro-[1,3,2]dioxathiolane 2,2-dioxide 20114-39-0 C2H2Cl2O4S
    4,5-dichloro-[1,3,2]dioxathiolane 2,2-dioxide
    —— (4S,5R)-5-[2-(Diphenyl-phosphinoyl)-phenyl]-2,2-dimethyl-[1,3]dioxolane-4-carboxylic acid (2-hydroxy-ethyl)-amide 926627-22-7 C26H28NO5P
    (4S,5R)-5-[2-(Diphenyl-phosphinoyl)-phenyl]-2,2-dimethyl-[1,3]dioxolane-4-carboxylic acid (2-hydroxy-ethyl)-amide
    —— 4-{[(dimethylamino)ethylidene]amino}-3-[N'-(2-propynyl)-2",2",2"-trifluoroacetamido]-1-(β-D-ribofuranosyl)-5'-O-(4,4'-dimethoxytriphenylmethyl)-1H-pyrazolo[3,4-d]pyrimidine 1391715-55-1 C40H40F3N7O7
    4-{[(dimethylamino)ethylidene]amino}-3-[N'-(2-propynyl)-2",2",2"-trifluoroacetamido]-1-(β-D-ribofuranosyl)-5'-O-(4,4'-dimethoxytriphenylmethyl)-1H-pyrazolo[3,4-d]pyrimidine
    —— (4-phenyl-2H-1,2,3-triazol-2-yl)methanol 1043551-91-2 C9H9N3O
    (4-phenyl-2H-1,2,3-triazol-2-yl)methanol
    —— 4-(2-hydroxy-5-nitrobenzoyl)-6-(6-nitro-4-oxochromen-3-yl)pyridine-2-carbonitrile 99488-28-5 C22H10N4O8
    4-(2-hydroxy-5-nitrobenzoyl)-6-(6-nitro-4-oxochromen-3-yl)pyridine-2-carbonitrile
    —— 4-Piperidinepropanoic acid, 3,3-difluoro-1-(2,2,2-trifluoroacetyl)- 1373503-81-1 C10H12F5NO3
    4-Piperidinepropanoic acid, 3,3-difluoro-1-(2,2,2-trifluoroacetyl)-
    —— 4-Pyrimidinemethanol, 2-(phenylmethoxy)-6-(trifluoromethyl)- 1822852-18-5 C13H11F3N2O2
    4-Pyrimidinemethanol, 2-(phenylmethoxy)-6-(trifluoromethyl)-
    —— 4,5,6,7-Tetrafluoro-3-(2S)-2-piperazinyl-1H-indole 1213070-79-1 C12H11F4N3
    4,5,6,7-Tetrafluoro-3-(2S)-2-piperazinyl-1H-indole
    —— 4-[(1E)-2,3-Dimethoxy-3-oxo-1-propen-1-yl]phenyl 4-[[8-[(methylsulfonyl)oxy]octyl]oxy]benzoate 1179320-32-1 C27H34O9S
    4-[(1E)-2,3-Dimethoxy-3-oxo-1-propen-1-yl]phenyl 4-[[8-[(methylsulfonyl)oxy]octyl]oxy]benzoate
    —— 4-diphenylphosphinobut-1-yne 175231-06-8 C16H15P
    4-diphenylphosphinobut-1-yne
    —— 4-N-(3-chloro-4-fluorophenyl)-6-N-[(4-propoxyphenyl)methyl]quinazoline-4,6-diamine 863215-76-3 C24H22ClFN4O
    4-N-(3-chloro-4-fluorophenyl)-6-N-[(4-propoxyphenyl)methyl]quinazoline-4,6-diamine
    —— 4-benzyloxy-2-hydroxy-5-methyl-deoxybenzoin 112198-28-4 C22H20O3
    4-benzyloxy-2-hydroxy-5-methyl-deoxybenzoin
    —— 4,4-difluoro-1-[(4-fluorophenyl)sulfonyl]-N'-({2-[(1-pyridin-2-ylethyl)amino]-6-[4-(trifluoromethyl)phenyl]pyridin-4-yl}methyl)-L-prolinamide 1257437-01-6 C31H27F6N5O3S
    4,4-difluoro-1-[(4-fluorophenyl)sulfonyl]-N'-({2-[(1-pyridin-2-ylethyl)amino]-6-[4-(trifluoromethyl)phenyl]pyridin-4-yl}methyl)-L-prolinamide
    —— 4-(3-(4-isopropylthiazol-2-yl)-5,6-dihydro-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazol-6-yl)-N,N-dimethylbenzenamine 1257424-30-8 C17H20N6S2
    4-(3-(4-isopropylthiazol-2-yl)-5,6-dihydro-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazol-6-yl)-N,N-dimethylbenzenamine
    —— 4-{2-[3,5-dichloro-6-{[2-(2-hydroxyethyl)phenoxy]methyl}-2-oxopyridine-1(2H)-yl]ethyl}benzoic acid 1091597-07-7 C23H21Cl2NO5
    4-{2-[3,5-dichloro-6-{[2-(2-hydroxyethyl)phenoxy]methyl}-2-oxopyridine-1(2H)-yl]ethyl}benzoic acid
    —— 4-(2-bromophenoxy)-2-(3-ethyl-2-oxo-1H-quinolin-7-yl)-2-methylbutanenitrile 1056890-10-8 C22H21BrN2O2
    4-(2-bromophenoxy)-2-(3-ethyl-2-oxo-1H-quinolin-7-yl)-2-methylbutanenitrile
    —— 4'a-Methoxymethyl-octahydro-spiro[[1,3]dioxolane-2,2'-naphthalen]-8'-one 59076-88-9 C14H22O4
    4'a-Methoxymethyl-octahydro-spiro[[1,3]dioxolane-2,2'-naphthalen]-8'-one
    —— 4-(6-Methoxy-2-methyl-4-methylsulfanyl-quinolin-3-yl)-butan-2-ol 64375-83-3 C16H21NO2S
    4-(6-Methoxy-2-methyl-4-methylsulfanyl-quinolin-3-yl)-butan-2-ol
    —— 4-[(Ethoxycarbonyl-phenyl-amino)-phenyl-methyl]-cyclohexane-1,1-dicarboxylic acid diethyl ester 42391-86-6 C28H35NO6
    4-[(Ethoxycarbonyl-phenyl-amino)-phenyl-methyl]-cyclohexane-1,1-dicarboxylic acid diethyl ester
    —— 4-[3-Carbamoyl-3-((S)-1-phenyl-ethylamino)-butyl]-benzenesulfonic acid 63726-46-5 C19H24N2O4S
    4-[3-Carbamoyl-3-((S)-1-phenyl-ethylamino)-butyl]-benzenesulfonic acid
    —— 4-Bromo-benzenesulfonic acid 2,2-dimethyl-5-pentyl-2H-chromen-7-yl ester 60796-26-1 C22H25BrO4S
    4-Bromo-benzenesulfonic acid 2,2-dimethyl-5-pentyl-2H-chromen-7-yl ester
    —— 4,7,8,11-tetraazahelicene 188-56-7 C18H10N4
    4,7,8,11-tetraazahelicene
    —— (4R<sup>*</sup>,5R<sup>*</sup>,9R<sup>*</sup>,10S<sup>*</sup>)-4,5-dibromo-9,10-dimethyltricyclo<5.3.0.0<sup>2,8</sup>>decane-9,10-diol 115363-32-1 C12H18Br2O2
    (4R<sup>*</sup>,5R<sup>*</sup>,9R<sup>*</sup>,10S<sup>*</sup>)-4,5-dibromo-9,10-dimethyltricyclo<5.3.0.0<sup>2,8</sup>>decane-9,10-diol
    —— (4S,6R,7R)-2-benzyloxymethyl-7-tert-butyldimethylsilyloxy-4-triethylsilyloxy-6-(2-trimethylsilylethoxymethoxy)oct-1-ene 1314757-01-1 C34H66O5Si3
    (4S,6R,7R)-2-benzyloxymethyl-7-tert-butyldimethylsilyloxy-4-triethylsilyloxy-6-(2-trimethylsilylethoxymethoxy)oct-1-ene
    —— (4S,6S,10aS)-6-Benzoylamino-2-methanesulfonyl-5-oxo-decahydro-2,4a-diaza-benzocyclooctene-4-carboxylic acid ((S)-2-ethoxy-5-oxo-tetrahydro-furan-3-yl)-amide 635714-15-7 C25H34N4O8S
    (4S,6S,10aS)-6-Benzoylamino-2-methanesulfonyl-5-oxo-decahydro-2,4a-diaza-benzocyclooctene-4-carboxylic acid ((S)-2-ethoxy-5-oxo-tetrahydro-furan-3-yl)-amide
    —— 4-methyl-piperazine-1-carboxylic acid 7-(5-chloro-pyridin-2-yl)-8-oxo-3,4,7,8-tetrahydro-2<i>H</i>,6<i>H</i>-[1,4]dithiepino[2,3-<i>c</i>]pyrrol-6-yl ester 64688-22-8 C18H21ClN4O3S2
    4-methyl-piperazine-1-carboxylic acid 7-(5-chloro-pyridin-2-yl)-8-oxo-3,4,7,8-tetrahydro-2<i>H</i>,6<i>H</i>-[1,4]dithiepino[2,3-<i>c</i>]pyrrol-6-yl ester
    —— 4,4-Diisopropoxy-butyronitrile 25653-10-5 C10H19NO2
    4,4-Diisopropoxy-butyronitrile
    —— [(4'-DMA-2,2':6',2''-terpyridine)Pt(C2C6H5)]PF6 1195005-10-7 C25H21N4Pt*F6P
    [(4'-DMA-2,2':6',2''-terpyridine)Pt(C2C6H5)]PF6
    —— 4,4'-(4,6-dimethyl-<i>m</i>-phenylenedimethyl)-bis-[1,2,4]triazole-3,5-dione 68520-82-1 C14H12N6O4
    4,4'-(4,6-dimethyl-<i>m</i>-phenylenedimethyl)-bis-[1,2,4]triazole-3,5-dione
    —— 4-Methylsulfonyl-5-(p-tolyl)-1,2-dithiol-3-thion 69143-78-8 C11H10O2S4
    4-Methylsulfonyl-5-(p-tolyl)-1,2-dithiol-3-thion
    —— 4-Quinolineethanol, I+/--[(3-ethenyl-4-piperidinyl)methyl]-6-methoxy-, [3R-[3I+/-,4I+/-(R*)]]- 26599-76-8 C20H26N2O2
    4-Quinolineethanol, I+/--[(3-ethenyl-4-piperidinyl)methyl]-6-methoxy-, [3R-[3I+/-,4I+/-(R*)]]-
    —— 4-[[7-[2-(1,5-Disulfo-2-naphthalenyl)diazenyl]-8-hydroxy-3,6-disulfo-1-naphthalenyl]amino]-4-oxo-2-butenoic acid 1174913-94-0 C24H17N3O16S4
    4-[[7-[2-(1,5-Disulfo-2-naphthalenyl)diazenyl]-8-hydroxy-3,6-disulfo-1-naphthalenyl]amino]-4-oxo-2-butenoic acid
    —— 4H-Pyrrolo[3,2,1-ij]quinolin-2-ol, 8-bromo-5,6-dihydro- 1820683-19-9 C11H10BrNO
    4H-Pyrrolo[3,2,1-ij]quinolin-2-ol, 8-bromo-5,6-dihydro-
    —— 4-Hydroxy-3-(4,4,5,5-tetramethyl-1,3-dioxolan-2-yl)benzonitrile 1131605-12-3 C14H17NO3
    4-Hydroxy-3-(4,4,5,5-tetramethyl-1,3-dioxolan-2-yl)benzonitrile
    —— 4-Amino-1,5-dihydro-1-methyl-5,5-diphenyl-2H-imidazol-2-one 6825-96-3 C16H15N3O
    4-Amino-1,5-dihydro-1-methyl-5,5-diphenyl-2H-imidazol-2-one
    —— 4-Oxazolemethanol, I+/--[2-(1-methyl-1H-imidazol-2-yl)ethyl]- 2292700-00-4 C10H13N3O2
    4-Oxazolemethanol, I+/--[2-(1-methyl-1H-imidazol-2-yl)ethyl]-
    —— 4-[(6-Fluoro-2-pyridinyl)thio]-2-methyl-2-butanol 1020743-96-7 C10H14FNOS
    4-[(6-Fluoro-2-pyridinyl)thio]-2-methyl-2-butanol
    —— (4R,5S)-3-[(2'R,3'S,6'R)-3',7'-bis(tert-butyldimethylsilyloxy)-2',5'-dimethyl-1'-heptanoyl]-4-methyl-5-phenyl-2-oxazolidinone 856191-03-2 C31H55NO5Si2
    (4R,5S)-3-[(2'R,3'S,6'R)-3',7'-bis(tert-butyldimethylsilyloxy)-2',5'-dimethyl-1'-heptanoyl]-4-methyl-5-phenyl-2-oxazolidinone
    —— 4-(4'-methylbenzenesulfenyl)-3-oxo-2-oxabicyclo<2.2.2>oct-7-ene-5-exo-methyl-5-endo-carboxaldehyde 141510-32-9 C16H16O3S
    4-(4'-methylbenzenesulfenyl)-3-oxo-2-oxabicyclo<2.2.2>oct-7-ene-5-exo-methyl-5-endo-carboxaldehyde
    —— 4-bromopropiophenone O-acetyloxime 1522130-22-8 C11H12BrNO2
    4-bromopropiophenone O-acetyloxime
    —— 4-((4-(2-((5-(4-((4-(dihexylamino)phenyl)ethynyl)phenyl)-3-(thiophen-2-yl)-1H-pyrrol-2-yl)imino)-3-(thiophen-2-yl)-2H-pyrrol-5-yl)phenyl)ethynyl)-N,N-dihexylaniline 1359981-16-0 C68H77N5S2
    4-((4-(2-((5-(4-((4-(dihexylamino)phenyl)ethynyl)phenyl)-3-(thiophen-2-yl)-1H-pyrrol-2-yl)imino)-3-(thiophen-2-yl)-2H-pyrrol-5-yl)phenyl)ethynyl)-N,N-dihexylaniline
    —— (4,5-diphenyl-4,5-dihydro-oxazol-2-yl)-phenyl-methanol 58644-98-7 C22H19NO2
    (4,5-diphenyl-4,5-dihydro-oxazol-2-yl)-phenyl-methanol