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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4,5-dimethyl-1-isopropyl-1H-imidazole 3-oxide 1266332-37-9 C8H14N2O
    4,5-dimethyl-1-isopropyl-1H-imidazole 3-oxide
    —— 4-chlorophenylpropynoic acid butyl ester 1449127-56-3 C13H13ClO2
    4-chlorophenylpropynoic acid butyl ester
    —— 4-dimethylamino-4-fluoro-2,2,5,5-tetrakis(trifluoromethyl)-1,3-dioxolane 78585-35-0 C9H6F13NO2
    4-dimethylamino-4-fluoro-2,2,5,5-tetrakis(trifluoromethyl)-1,3-dioxolane
    —— (4-chloro-4,4-difluorobut-1-en-2-yl)benzene 77116-52-0 C10H9ClF2
    (4-chloro-4,4-difluorobut-1-en-2-yl)benzene
    —— 4''-O-acetyl-3,4-didehydro-23-demycinosyloxy-20-deoxo-3-deoxy-20-<(4,4-dioxothiomorpholino)imino>-23-iodotylosin 121541-40-0 C44H70IN3O13S
    4''-O-acetyl-3,4-didehydro-23-demycinosyloxy-20-deoxo-3-deoxy-20-<(4,4-dioxothiomorpholino)imino>-23-iodotylosin
    —— 4‐pentenyl 4‐methylphenylpropiolate 1467739-31-6 C15H16O2
    4‐pentenyl 4‐methylphenylpropiolate
    —— 4-ethoxy-2,2-bis(trifluoromethyl)-3-(trimethylsilyl)oxete 80058-30-6 C10H14F6O2Si
    4-ethoxy-2,2-bis(trifluoromethyl)-3-(trimethylsilyl)oxete
    —— 4,4,5,5,5-pentafluoro-3-methoxy-2-(trifluoromethyl)pent-2-enoyl fluoride 84047-25-6 C7H3F9O2
    4,4,5,5,5-pentafluoro-3-methoxy-2-(trifluoromethyl)pent-2-enoyl fluoride
    —— 4-phenyl-2H-pyran-2,6(3H)-dione 25631-82-7 C11H8O3
    4-phenyl-2H-pyran-2,6(3H)-dione
    —— 4-(2-chlorobenzyloxy)benzene-1,3-diamine 1621090-61-6 C13H13ClN2O
    4-(2-chlorobenzyloxy)benzene-1,3-diamine
    —— 4''-O-acetyl-23-O-demycinosyl-3-deoxy-3,19-cyclotylosin 121545-63-9 C40H63NO13
    4''-O-acetyl-23-O-demycinosyl-3-deoxy-3,19-cyclotylosin
    —— 4-<3''-(diethylaminomethyl)-4''-hydroxyanilino>-3-(3',4'-dihydro-3'-methyl-1'-isoquinolyl)-7-chloroquinoline 111826-49-4 C30H31ClN4O
    4-<3''-(diethylaminomethyl)-4''-hydroxyanilino>-3-(3',4'-dihydro-3'-methyl-1'-isoquinolyl)-7-chloroquinoline
    —— 4H-2-methyl-5,7-dimethoxybenzo<b>telluropyrone 84144-59-2 C12H12O3Te
    4H-2-methyl-5,7-dimethoxybenzo<b>telluropyrone
    —— 4-[(2'-chloroethyl)amino]-N-boc-L-phenylalanine methyl ester 1374033-38-1 C17H25ClN2O4
    4-[(2'-chloroethyl)amino]-N-boc-L-phenylalanine methyl ester
    —— 4-(2-hydroxy-1-methylethyl)-N,N-diisopropyl-3-nitrobenzenecarboxamide 702643-14-9 C16H24N2O4
    4-(2-hydroxy-1-methylethyl)-N,N-diisopropyl-3-nitrobenzenecarboxamide
    —— 4,5-methylenedioxy-2-cyclohexenylbenzaldoxime methyl ether 880643-57-2 C15H17NO3
    4,5-methylenedioxy-2-cyclohexenylbenzaldoxime methyl ether
    —— 4-Chlor-3-methyl-2,6-bis-<2,4-dimethyl-benzyl>-phenol 95821-90-2 C25H27ClO
    4-Chlor-3-methyl-2,6-bis-<2,4-dimethyl-benzyl>-phenol
    —— (4R)-1-tert-butyldimethylsilyl-4-triphenylmethylthio-2-azetidinone 103067-62-5 C28H33NOSSi
    (4R)-1-tert-butyldimethylsilyl-4-triphenylmethylthio-2-azetidinone
    —— 4-hydroxy-3-(3-methyl-3-butenyl)-2H-1-benzopyran-2-one 104416-40-2 C14H14O3
    4-hydroxy-3-(3-methyl-3-butenyl)-2H-1-benzopyran-2-one
    —— (4-bromo-phenyl)-[5-(2-hydroxy-ethyl)-4-methyl-thiazol-2-yl]-methanone 28168-44-7 C13H12BrNO2S
    (4-bromo-phenyl)-[5-(2-hydroxy-ethyl)-4-methyl-thiazol-2-yl]-methanone
    —— 4-(6-azidohexyloxy)benzaldehyde 1254727-15-5 C13H17N3O2
    4-(6-azidohexyloxy)benzaldehyde
    —— 4-Chlor-3-methyl-6-<4-fluor-benzyl>-phenol 672-08-2 C14H12ClFO
    4-Chlor-3-methyl-6-<4-fluor-benzyl>-phenol
    —— 4-Chlor-3-methyl-6-<3,4-dichlor-benzyl>-phenol 96793-83-8 C14H11Cl3O
    4-Chlor-3-methyl-6-<3,4-dichlor-benzyl>-phenol
    —— 4-(naphthalen-2-yl)-1,3-dioxolan-2-one 174198-96-0 C13H10O3
    4-(naphthalen-2-yl)-1,3-dioxolan-2-one
    —— 4-[1-(2,4-Dihydroxyphenyl)ethylideneamino]-1,5-dimethyl-2-phenylpyrazol-3-one 1215725-18-0 C19H19N3O3
    4-[1-(2,4-Dihydroxyphenyl)ethylideneamino]-1,5-dimethyl-2-phenylpyrazol-3-one
    —— 4-amino-N-boc-L-phenylalanine methyl ester acetate 1374033-37-0 C2H4O2*C15H22N2O4
    4-amino-N-boc-L-phenylalanine methyl ester acetate
    —— 4-[(10S)-dihydroartemisinin-10-oxy]benzaldehyde 4-(4-methylphenyl)thiosemicarbazone 1402318-27-7 C30H37N3O5S
    4-[(10S)-dihydroartemisinin-10-oxy]benzaldehyde 4-(4-methylphenyl)thiosemicarbazone
    —— 4-methyl-N-(phenanthrene-9-ylmethylene)aniline 1204704-27-7 C22H17N
    4-methyl-N-(phenanthrene-9-ylmethylene)aniline
    —— 4-[(10S)-dihydroartemisinin-10-oxy]benzaldehyde 4-(4-methylphenyl)semicarbazone 1402318-37-9 C30H37N3O6
    4-[(10S)-dihydroartemisinin-10-oxy]benzaldehyde 4-(4-methylphenyl)semicarbazone
    —— 4-bromo-N-methoxy-N-(tetrahydrofuran-2-yl)benzamide 1613245-60-5 C12H14BrNO3
    4-bromo-N-methoxy-N-(tetrahydrofuran-2-yl)benzamide
    —— 4-(4-hydroxy-3,5-dimethoxybenzylideneamino)-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one 385790-29-4 C20H21N3O4
    4-(4-hydroxy-3,5-dimethoxybenzylideneamino)-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one
    —— 4-methyl-N-(5-phenylpent-4-enyl)benzenesulfonamide 1070799-41-5 C18H21NO2S
    4-methyl-N-(5-phenylpent-4-enyl)benzenesulfonamide
    —— 4-nitro-9-oxo-3-(2-propanol)thioxanthone 868157-68-0 C16H13NO4S
    4-nitro-9-oxo-3-(2-propanol)thioxanthone
    —— 4'-(4-[4-(1H-[1,2,4]-triazolyl)styryl]phenyl)-2,2':6',2''-terpyridine 1401108-50-6 C31H22N6
    4'-(4-[4-(1H-[1,2,4]-triazolyl)styryl]phenyl)-2,2':6',2''-terpyridine
    —— 4-chloro-N-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-3,5-dinitrobenzamide 1361557-93-8 C18H14ClN5O6
    4-chloro-N-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-3,5-dinitrobenzamide
    —— 4-Chlor-3-methyl-6-<2-fluor-benzyl>-phenol 672-07-1 C14H12ClFO
    4-Chlor-3-methyl-6-<2-fluor-benzyl>-phenol
    —— 4'-methoxystilbene-4-carboxylic acid 101650-57-1 C16H14O3
    4'-methoxystilbene-4-carboxylic acid
    —— 4,5-dimethyl-3-phenyl-7-phenylacetoxy-coumarin 122764-19-6 C25H20O4
    4,5-dimethyl-3-phenyl-7-phenylacetoxy-coumarin
    —— 4-hydroxy-3-(2-hydroxyethyl)thiazolidine-2-thione 1630038-05-9 C5H9NO2S2
    4-hydroxy-3-(2-hydroxyethyl)thiazolidine-2-thione
    —— 4-(chloromercurio)-3-n-propylisocoumarin 90584-94-4 C12H11ClHgO2
    4-(chloromercurio)-3-n-propylisocoumarin
    —— 4H-2-phenyl-5,7-dimethoxybenzo<b>telluropyrone 84144-55-8 C17H14O3Te
    4H-2-phenyl-5,7-dimethoxybenzo<b>telluropyrone
    —— 4-{[(1E)-(2-hydroxy-5-methoxyphenyl)methylene]amino}-1,5-dimethyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one 1259287-85-8 C19H19N3O3
    4-{[(1E)-(2-hydroxy-5-methoxyphenyl)methylene]amino}-1,5-dimethyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one
    —— 4-morpholin-4-yl-1-β-<i>D</i>-ribofuranosyl-1<i>H</i>-pyrimidin-2-one 39824-59-4 C13H19N3O6
    4-morpholin-4-yl-1-β-<i>D</i>-ribofuranosyl-1<i>H</i>-pyrimidin-2-one
    —— 4-chloro-N,N-dioctadecylbut-2-yn-1-amine 1428580-29-3 C40H78ClN
    4-chloro-N,N-dioctadecylbut-2-yn-1-amine
    —— 4-[4-(methylthio)phenyl]-1,3-dioxolan-2-one 1162119-44-9 C10H10O3S
    4-[4-(methylthio)phenyl]-1,3-dioxolan-2-one
    —— 4,7,13,16,21,24-hexaoxa-1,10-diazabicyclo[8.8.8]hexacosane, ytterbium(III) salt 71514-17-5 C18H36N2O6*Yb
    4,7,13,16,21,24-hexaoxa-1,10-diazabicyclo[8.8.8]hexacosane, ytterbium(III) salt
    —— 4-(bromomethyl)phenyl diethylcarbamate 1108717-32-3 C12H16BrNO2
    4-(bromomethyl)phenyl diethylcarbamate
    —— 4-Chlor-3-methyl-2,6-dibenzyl-phenol 95801-83-5 C21H19ClO
    4-Chlor-3-methyl-2,6-dibenzyl-phenol
    —— (4,6,7-trichloro-2,5-dihydroxy-2,3-dihydro-1-benzofuran-3-yl) N,N-diethylcarbamodithioate 167321-30-4 C13H14Cl3NO3S2
    (4,6,7-trichloro-2,5-dihydroxy-2,3-dihydro-1-benzofuran-3-yl) N,N-diethylcarbamodithioate
    —— 4-chloro-3-coumarinyl N,N-diethyldithiocarbamidate 88353-33-7 C14H14ClNO2S2
    4-chloro-3-coumarinyl N,N-diethyldithiocarbamidate