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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-chloromethyl-3,3-dichloro-5-methylpyrrolidin-2-one 138816-20-3 C6H8Cl3NO
    4-chloromethyl-3,3-dichloro-5-methylpyrrolidin-2-one
    —— 4-[2-(1-hydroxycyclohexylmethyl)allyl]tetrahydro-2H-pyran-4-ol 272117-50-7 C15H26O3
    4-[2-(1-hydroxycyclohexylmethyl)allyl]tetrahydro-2H-pyran-4-ol
    —— 4-(4-bromophenyl)-2,4,6-triphenyl-4H-thiopyran 139118-19-7 C29H21BrS
    4-(4-bromophenyl)-2,4,6-triphenyl-4H-thiopyran
    —— 4-methoxy-5-(trimethylsiloxy)pentanenitrile 129372-21-0 C9H19NO2Si
    4-methoxy-5-(trimethylsiloxy)pentanenitrile
    —— 4-(3'-chloro-1'-phenylprop-2'-ynyl)-2,6-dimethylaniline 132589-28-7 C17H16ClN
    4-(3'-chloro-1'-phenylprop-2'-ynyl)-2,6-dimethylaniline
    —— 4-Methoxycarbonyl-5-(2-thienyl)-2,3-dioxo-2,3-dihydrofuran 134567-90-1 C10H6O5S
    4-Methoxycarbonyl-5-(2-thienyl)-2,3-dioxo-2,3-dihydrofuran
    —— 4-p-Tolyl-2,4,6-triphenyl-thiopyran 28278-45-7 C30H24S
    4-p-Tolyl-2,4,6-triphenyl-thiopyran
    —— (4aS,8S,8aS)-8,8a-dimethyl-2,3,4,4a,5,8-hexahydronaphthalen-1-one 83586-18-9 C12H18O
    (4aS,8S,8aS)-8,8a-dimethyl-2,3,4,4a,5,8-hexahydronaphthalen-1-one
    —— (4S,5E,8R,9E,11S)-4,8-dimethyl-8-hydroxy-11-isopropyl-14-oxo-5,9-pentadecadien-4-olide 102734-53-2 C20H32O4
    (4S,5E,8R,9E,11S)-4,8-dimethyl-8-hydroxy-11-isopropyl-14-oxo-5,9-pentadecadien-4-olide
    —— (4R,1'R)-(-)-4-hydroxy-4-(1'-hydroxyethyl)-4,1'-O-isopropylidene-2-cyclopenten-1-one 326858-27-9 C10H14O3
    (4R,1'R)-(-)-4-hydroxy-4-(1'-hydroxyethyl)-4,1'-O-isopropylidene-2-cyclopenten-1-one
    —— (4,6-Dimethyl-5-phenyl-2H-pyran-2-yliden)propandinitril 118399-60-3 C16H12N2O
    (4,6-Dimethyl-5-phenyl-2H-pyran-2-yliden)propandinitril
    —— 4-(p-Chlorophenylamino)-7-cyano-8-methylpyrazolo<5',1':3,4><1,2,4>triazino<5,6-d>pyrimidine 125247-82-7 C15H9ClN8
    4-(p-Chlorophenylamino)-7-cyano-8-methylpyrazolo<5',1':3,4><1,2,4>triazino<5,6-d>pyrimidine
    —— (4R,5E,8S,9E,11S)-4,8-dimethyl-8-hydroxy-11-isopropyl-14-oxo-5,9-pentadecadien-4-olide 102734-54-3 C20H32O4
    (4R,5E,8S,9E,11S)-4,8-dimethyl-8-hydroxy-11-isopropyl-14-oxo-5,9-pentadecadien-4-olide
    —— ((4S,5S,6S)-4-Ethyl-2,2-dimethyl-6-phenyl-[1,3]dioxan-5-yl)-methanol 285997-75-3 C15H22O3
    ((4S,5S,6S)-4-Ethyl-2,2-dimethyl-6-phenyl-[1,3]dioxan-5-yl)-methanol
    —— ((4S,5S,6S)-2,2,4-Trimethyl-6-phenyl-[1,3]dioxan-5-yl)-methanol 285997-73-1 C14H20O3
    ((4S,5S,6S)-2,2,4-Trimethyl-6-phenyl-[1,3]dioxan-5-yl)-methanol
    —— 4-(p-Chlorophenylamino)-7-ethoxycarbonylpyrazolo<5',1':3,4><1,2,4>triazino<5,6-d>pyrimidine 125247-80-5 C16H12ClN7O2
    4-(p-Chlorophenylamino)-7-ethoxycarbonylpyrazolo<5',1':3,4><1,2,4>triazino<5,6-d>pyrimidine
    —— 4-<3-<3(2H)imino-6-morpholino-2-pyridazinyl>propenoyl>morpholine 119577-58-1 C15H21N5O3
    4-<3-<3(2H)imino-6-morpholino-2-pyridazinyl>propenoyl>morpholine
    —— (4R,5E,8R,9E,11S)-4,8-dimethyl-8-hydroxy-11-isopropyl-14-oxo-5,9-pentadecadien-4-olide 102734-55-4 C20H32O4
    (4R,5E,8R,9E,11S)-4,8-dimethyl-8-hydroxy-11-isopropyl-14-oxo-5,9-pentadecadien-4-olide
    —— 4'-C-acetyl-5'-O-(4,4'-dimethoxytrityl)thymidine 183892-66-2 C33H34N2O8
    4'-C-acetyl-5'-O-(4,4'-dimethoxytrityl)thymidine
    —— 4,6-Di-tert-butylbenzocyclobuten-1-ol 123542-61-0 C16H24O
    4,6-Di-tert-butylbenzocyclobuten-1-ol
    —— 4-methyl-N-(3-tricyclo[6.2.1.02,6]undeca-2(6),9-dienylideneamino)benzenesulfonamide 123903-03-7 C18H20N2O2S
    4-methyl-N-(3-tricyclo[6.2.1.02,6]undeca-2(6),9-dienylideneamino)benzenesulfonamide
    —— 4-Aromadendrene 112421-19-9 C15H24
    4-Aromadendrene
    —— (4S,5S)-4-tert-Butoxycarbonylamino-5,6-bis-(tert-butyl-dimethyl-silanyloxy)-hexanoic acid methyl ester 197231-60-0 C24H51NO6Si2
    (4S,5S)-4-tert-Butoxycarbonylamino-5,6-bis-(tert-butyl-dimethyl-silanyloxy)-hexanoic acid methyl ester
    —— 4-[[(2E,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethylcyclohexen-1-yl)nona-2,4,6,8-tetraenylidene]amino]butanoic acid 94476-66-1 C24H35NO2
    4-[[(2E,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethylcyclohexen-1-yl)nona-2,4,6,8-tetraenylidene]amino]butanoic acid
    —— (4S,4'S)-4-(tert-butoxycarbonylamino)-4-2'-thioxo-[1',3']dioxolan-4'-ylbutyric acid methyl ester 197231-56-4 C13H21NO6S
    (4S,4'S)-4-(tert-butoxycarbonylamino)-4-2'-thioxo-[1',3']dioxolan-4'-ylbutyric acid methyl ester
    —— 4,7,8,9-tetrahydro-6,8,9-triphenyl-1,2,4-triazolo[5,1-b]quinazoline 671233-89-9 C27H22N4
    4,7,8,9-tetrahydro-6,8,9-triphenyl-1,2,4-triazolo[5,1-b]quinazoline
    —— 4,7-dihydro-8-(1-methylethylidene)-1,3-diphenyl-4,7-methanoisobenzofuran 401929-11-1 C24H20O
    4,7-dihydro-8-(1-methylethylidene)-1,3-diphenyl-4,7-methanoisobenzofuran
    —— (4aR,9aS,6S,7R)-[3-(7-Allyloxy-2,2-dimethylhexahydro-1,3,5-trioxabenzocyclohepten-6-yl)propoxy]-tert-butyldimethylsilane 287959-25-5 C22H42O5Si
    (4aR,9aS,6S,7R)-[3-(7-Allyloxy-2,2-dimethylhexahydro-1,3,5-trioxabenzocyclohepten-6-yl)propoxy]-tert-butyldimethylsilane
    —— 4,5,6,7-tetrahydro-8-(1-methylethylidene)-1,3-diphenyl-4,7-methanoisobenzofuran 401929-12-2 C24H22O
    4,5,6,7-tetrahydro-8-(1-methylethylidene)-1,3-diphenyl-4,7-methanoisobenzofuran
    —— 4-[Benzyl-(2-chloro-acetyl)-amino]-cyclohex-1-enecarboxylic acid methyl ester 188563-10-2 C17H20ClNO3
    4-[Benzyl-(2-chloro-acetyl)-amino]-cyclohex-1-enecarboxylic acid methyl ester
    —— 4,7-dihydro-8-(1-methylethylidene)-2-(p-tolyl)-4,7-methano-2H-isoindole 401929-13-3 C19H19N
    4,7-dihydro-8-(1-methylethylidene)-2-(p-tolyl)-4,7-methano-2H-isoindole
    —— (+/-)-4,6-dichloro-1-ethyl-1,3-dihydro-7-methyl-2,2-dioxothieno[3,4-c]pyridine 352197-98-9 C10H11Cl2NO2S
    (+/-)-4,6-dichloro-1-ethyl-1,3-dihydro-7-methyl-2,2-dioxothieno[3,4-c]pyridine
    —— 4-Oxo-4-(tetradecyloxy)butanoate 109591-76-6 C18H33O4-
    4-Oxo-4-(tetradecyloxy)butanoate
    —— (4R,5R,6R)-methyl5-(benzyloxy)-2,4,6-trimethyl-7-(trityloxy)-(E)-hept-2-enoate 108817-31-8 C37H40O4
    (4R,5R,6R)-methyl5-(benzyloxy)-2,4,6-trimethyl-7-(trityloxy)-(E)-hept-2-enoate
    —— 4H-1-Benzopyran-4-one, 2,3-dihydro-5-hydroxy-7-[[2-O-[5-O-[(2E)-1-oxo-3-phenyl-2-propen-1-yl]-D-apio-beta-D-furanosyl]-beta-D-glucopyranosyl]oxy]-2-phenyl- 773899-29-9 C35H36O14
    4H-1-Benzopyran-4-one, 2,3-dihydro-5-hydroxy-7-[[2-O-[5-O-[(2E)-1-oxo-3-phenyl-2-propen-1-yl]-D-apio-beta-D-furanosyl]-beta-D-glucopyranosyl]oxy]-2-phenyl-
    —— <(4-Methoxyphenyl)ethynyl>pentamethyldisilane 115977-78-1 C14H22OSi2
    <(4-Methoxyphenyl)ethynyl>pentamethyldisilane
    —— 4,5,9-Trimethyl-7H-furo[3,2-g][1]benzopyran-7-one 76806-90-1 C14H12O3
    4,5,9-Trimethyl-7H-furo[3,2-g][1]benzopyran-7-one
    —— (4aS,7S,8aS)-7-methyl-1,3,4,4a,6,7,8,8a-octahydroquinoline-2,5-dione 71523-92-7 C10H15NO2
    (4aS,7S,8aS)-7-methyl-1,3,4,4a,6,7,8,8a-octahydroquinoline-2,5-dione
    —— 4-[(1R,3R)-3-(4-hydroxy-3-methylbut-2-enyl)-2,2-dimethyl-6-methylidenecyclohexyl]but-3-en-2-one 192068-20-5 C18H28O2
    4-[(1R,3R)-3-(4-hydroxy-3-methylbut-2-enyl)-2,2-dimethyl-6-methylidenecyclohexyl]but-3-en-2-one
    —— 4-[3-(Triethoxysilyl)propoxy]aniline 61726-49-6 C15H27NO4Si
    4-[3-(Triethoxysilyl)propoxy]aniline
    —— 4-Methyl-5-oxo-4,5,6,7-tetrahydro-pyrazolo[4,3-d]pyrimidine-2-carboxylic acid ethyl ester 135347-75-0 C9H12N4O3
    4-Methyl-5-oxo-4,5,6,7-tetrahydro-pyrazolo[4,3-d]pyrimidine-2-carboxylic acid ethyl ester
    —— 4-[(1R,2S)-1,2,3-trihydroxypropyl]-1H-pyrazole 839716-40-4 C6H10N2O3
    4-[(1R,2S)-1,2,3-trihydroxypropyl]-1H-pyrazole
    —— (4-ethoxy-2,3-difluorophenyl)diazomethane 672955-99-6 C9H8F2N2O
    (4-ethoxy-2,3-difluorophenyl)diazomethane
    —— 4-(4-acetamidophenylamino)-3-benzylamino-5-(4-acetamidophenylsulfamoyl)-benzoic acid 58818-80-7 C30H29N5O6S
    4-(4-acetamidophenylamino)-3-benzylamino-5-(4-acetamidophenylsulfamoyl)-benzoic acid
    —— 4-hydroxy-3,3,6-trimethylbicyclo[3,1,0]hexa-2-one 126833-12-3 C9H14O2
    4-hydroxy-3,3,6-trimethylbicyclo[3,1,0]hexa-2-one
    —— 4-benzoyloxy-3-phenyl-2,2,5-trimethyl-6-oxa-1-azabicyclo<3.1.0>hexane 124994-56-5 C20H21NO3
    4-benzoyloxy-3-phenyl-2,2,5-trimethyl-6-oxa-1-azabicyclo<3.1.0>hexane
    —— [(4,6-Dichloro-1,3,5-triazin-2-yl)(phenyl)carbamoyl]sulfamic acid 61326-68-9 C10H7Cl2N5O4S
    [(4,6-Dichloro-1,3,5-triazin-2-yl)(phenyl)carbamoyl]sulfamic acid
    —— 4-benzyloxy-3-hexanone 132430-84-3 C13H18O2
    4-benzyloxy-3-hexanone
    —— 4-(4-aminophenylamino)-3-benzylamino-5-(4-aminophenylsulfamoyl)-benzoic acid 58818-84-1 C26H25N5O4S
    4-(4-aminophenylamino)-3-benzylamino-5-(4-aminophenylsulfamoyl)-benzoic acid
    —— 4,4',6,6'-tetramethyl-5,5'-dichloro-2,2'-diiodobiphenyl 823191-68-0 C16H14Cl2I2
    4,4',6,6'-tetramethyl-5,5'-dichloro-2,2'-diiodobiphenyl