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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— (4-methoxyphenyl)(o-tolyl)iodonium triflate 1011502-12-7 CF3O3S*C14H14IO
    (4-methoxyphenyl)(o-tolyl)iodonium triflate
    —— 4-methyldiphenyliodonium bromide 2665-60-3 Br*C13H12I
    4-methyldiphenyliodonium bromide
    —— 4-methoxy-1-(p-tolylsulfonyl)-2,3,7,8,9,9a-hexahydro-1H-benzo<de>quinoline 123883-41-0 C20H23NO3S
    4-methoxy-1-(p-tolylsulfonyl)-2,3,7,8,9,9a-hexahydro-1H-benzo<de>quinoline
    —— 4-methyl-3,4-epoxy-butyrolactone 102964-91-0 C5H6O3
    4-methyl-3,4-epoxy-butyrolactone
    —— 4-[(S)-2-methylamino-1-(2,4,5-trifluoro-phenyl)-ethylamino]-pyrido[3,2-d]pyrimidine-8-carboxylic acid amide 1612242-25-7 C17H15F3N6O
    4-[(S)-2-methylamino-1-(2,4,5-trifluoro-phenyl)-ethylamino]-pyrido[3,2-d]pyrimidine-8-carboxylic acid amide
    —— 4-[5-[[2-(cyclopentylthio)-4-(trifluoromethyl)-5-oxazolyl]carbonylamino]-2-pyridinyl]-N-(2-fluorophenyl)-1-piperazinecarboxamide 1228000-88-1 C26H26F4N6O3S
    4-[5-[[2-(cyclopentylthio)-4-(trifluoromethyl)-5-oxazolyl]carbonylamino]-2-pyridinyl]-N-(2-fluorophenyl)-1-piperazinecarboxamide
    —— 4-[2-[(2-Chloro-4,6-difluorophenoxy)methyl]phenyl]piperidine 1227304-30-4 C18H18ClF2NO
    4-[2-[(2-Chloro-4,6-difluorophenoxy)methyl]phenyl]piperidine
    —— 4,7-anhydro-2,3-dideoxy-5,6:8,9-di-O-isopropylidene-2(R)-(methoxycarbonylamino)-D-glycero-D-galacto-nononic acid 1166909-90-5 C17H27NO9
    4,7-anhydro-2,3-dideoxy-5,6:8,9-di-O-isopropylidene-2(R)-(methoxycarbonylamino)-D-glycero-D-galacto-nononic acid
    —— 4-N-phthalimido-1-butyl 2’,2’,2’-trifluoroethyl sulfide 1584658-28-5 C14H14F3NO2S
    4-N-phthalimido-1-butyl 2’,2’,2’-trifluoroethyl sulfide
    —— 4-Hydroxy-7-(4-methylanilino)-3-[[4-[(4-sulfophenyl)diazenyl]phenyl]diazenyl]naphthalene-2-sulfonic acid 1000061-41-5 C29H23N5O7S2
    4-Hydroxy-7-(4-methylanilino)-3-[[4-[(4-sulfophenyl)diazenyl]phenyl]diazenyl]naphthalene-2-sulfonic acid
    —— 4-(3-<4-(2-Hydroxy-aethyl)-piperazino>-propionyl)-2-phenyl-3,4-dihydro-2H-1,4-benzothiazin 106951-72-8 C23H29N3O2S
    4-(3-<4-(2-Hydroxy-aethyl)-piperazino>-propionyl)-2-phenyl-3,4-dihydro-2H-1,4-benzothiazin
    —— 4-Isothiocyanatophenyl-naphthalin-2-sulfonat 20123-91-5 C17H11NO3S2
    4-Isothiocyanatophenyl-naphthalin-2-sulfonat
    —— 4-(4-Acetylamino-benzoylamino)-6-[4-(5-benzoylamino-2-sulfo-phenylazo)-2,5-dimethoxy-phenylazo]-5-hydroxy-naphthalene-1,7-disulfonic acid 4855-89-4 C40H33N7O15S3
    4-(4-Acetylamino-benzoylamino)-6-[4-(5-benzoylamino-2-sulfo-phenylazo)-2,5-dimethoxy-phenylazo]-5-hydroxy-naphthalene-1,7-disulfonic acid
    —— 4-norbornan-2-ylmethyl-1,2-diphenyl-pyrazolidine-3,5-dione 102656-35-9 C23H24N2O2
    4-norbornan-2-ylmethyl-1,2-diphenyl-pyrazolidine-3,5-dione
    —— 4-fluoro-2-(2-methylprop-1-en-1-yl)-1-(phenylethynyl)benzene 1238892-72-2 C18H15F
    4-fluoro-2-(2-methylprop-1-en-1-yl)-1-(phenylethynyl)benzene
    —— 4-Methyl-3-propylpyridin-methiodid 56675-11-7 C10H16N*I
    4-Methyl-3-propylpyridin-methiodid
    —— (4<i>R</i>)-9-cyanomethyl-2,2-dimethyl-(3a<i>t</i>,11a<i>t</i>)-4,5,11,11a-tetrahydro-3a<i>H</i>-4<i>r</i>,11<i>c</i>-epioxido-[1,3]dioxolo[4,5-<i>e</i>]imidazo[2,1-<i>b</i>][1,3]oxazocine-8-carboxylic acid methyl ester 70551-10-9 C15H17N3O6
    (4<i>R</i>)-9-cyanomethyl-2,2-dimethyl-(3a<i>t</i>,11a<i>t</i>)-4,5,11,11a-tetrahydro-3a<i>H</i>-4<i>r</i>,11<i>c</i>-epioxido-[1,3]dioxolo[4,5-<i>e</i>]imidazo[2,1-<i>b</i>][1,3]oxazocine-8-carboxylic acid methyl ester
    —— 4-Oxo-6-dimethyl-amino-capronsaeure-p-brom-phenylhydrazon 19996-28-2 C14H20BrN3O2
    4-Oxo-6-dimethyl-amino-capronsaeure-p-brom-phenylhydrazon
    —— (4S,4aS,6R,7R,7aR)-4-((S)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-2,2-dimethyl-6-methylsulfanyl-7-phenyl-tetrahydro-furo[3,2-d][1,3]dioxine 132585-94-5 C20H28O5S
    (4S,4aS,6R,7R,7aR)-4-((S)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-2,2-dimethyl-6-methylsulfanyl-7-phenyl-tetrahydro-furo[3,2-d][1,3]dioxine
    —— 4-hydroxy-3-iodo-benzoic acid heptyl ester 37470-76-1 C14H19IO3
    4-hydroxy-3-iodo-benzoic acid heptyl ester
    —— 4-Ethyl-3-phenyl-1,2,4-thiadiazol-5-one 64671-79-0 C10H10N2OS
    4-Ethyl-3-phenyl-1,2,4-thiadiazol-5-one
    —— 4-({2-[(2-chlorophenyl)amino]-2-oxoethyl}thio)-N-(4-methylphenyl)-2-{2-[(4-methylphenyl)amino]-2-oxoethyl}pyrimidine-5-carboxamide 1447585-66-1 C29H26ClN5O3S
    4-({2-[(2-chlorophenyl)amino]-2-oxoethyl}thio)-N-(4-methylphenyl)-2-{2-[(4-methylphenyl)amino]-2-oxoethyl}pyrimidine-5-carboxamide
    —— 4'-oxo-5',8-dimethoxypsoralen 138647-57-1 C13H10O6
    4'-oxo-5',8-dimethoxypsoralen
    —— [4-(toluene-4-sulfonylamino)-phenoxy]-acetic acid ethyl ester 103790-30-3 C17H19NO5S
    [4-(toluene-4-sulfonylamino)-phenoxy]-acetic acid ethyl ester
    —— 4(5)-(1-Carboxy-1-methylethyl)-2-(hydroxymethyl)imidazole 118474-43-4 C8H12N2O3
    4(5)-(1-Carboxy-1-methylethyl)-2-(hydroxymethyl)imidazole
    —— 4-cyano-2,3-dimethyl-2,3-dihydro-pyrrole-2-carboxylic acid ethyl ester 38067-40-2 C10H14N2O2
    4-cyano-2,3-dimethyl-2,3-dihydro-pyrrole-2-carboxylic acid ethyl ester
    —— 4,4-diphenyl-4-((trimethylsilyl)oxy)butan-1-ol 1375014-71-3 C19H26O2Si
    4,4-diphenyl-4-((trimethylsilyl)oxy)butan-1-ol
    —— 4,4-difluoropyrazabole 109088-09-7 C6H8B2F2N4
    4,4-difluoropyrazabole
    —— 4-(p-chlorophenyl)-5-phenyl-1,3,3a,4,11a,11b-hexahydro-3H-furo<3,4-a>xanthene-1,3,11-trione 148403-79-6 C27H17ClO5
    4-(p-chlorophenyl)-5-phenyl-1,3,3a,4,11a,11b-hexahydro-3H-furo<3,4-a>xanthene-1,3,11-trione
    —— 4-(N-(4-chlorobenzyl)-2-methyl-1-((2-(trifluoromethyl)phenoxy)carbonyl)azetidine-2-carboxamido)butanoic acid 1391077-00-1 C24H24ClF3N2O5
    4-(N-(4-chlorobenzyl)-2-methyl-1-((2-(trifluoromethyl)phenoxy)carbonyl)azetidine-2-carboxamido)butanoic acid
    —— 4-(3-(1H-indol-5-yl)-1H-pyrrolo[2,3-b]pyridin-5-yl)-2-methoxyaniline 1229582-06-2 C22H18N4O
    4-(3-(1H-indol-5-yl)-1H-pyrrolo[2,3-b]pyridin-5-yl)-2-methoxyaniline
    —— 4-[3-(4-trifluoromethylsulfanyl-phenoxy)-benzyl]-piperazine-1-carboxylic acid isoxazolo[5,4-b]pyridin-3-ylamide 1230019-01-8 C25H22F3N5O3S
    4-[3-(4-trifluoromethylsulfanyl-phenoxy)-benzyl]-piperazine-1-carboxylic acid isoxazolo[5,4-b]pyridin-3-ylamide
    —— (4S,5R,6R)-5,6-dihydro-5,6-isopropylidenedioxy-4-methoxy-4H-pyrido<2,1-e>imidazole-2,4-dione 116730-67-7 C11H14N2O5
    (4S,5R,6R)-5,6-dihydro-5,6-isopropylidenedioxy-4-methoxy-4H-pyrido<2,1-e>imidazole-2,4-dione
    —— 4-bromo-2-chloro-5-ethoxycarbonyloxy-1-nitrobenzene 1073437-79-2 C9H7BrClNO5
    4-bromo-2-chloro-5-ethoxycarbonyloxy-1-nitrobenzene
    —— 4-<α-(1,2-Dimethyl-1,4-dihydro-chinolin-4-yliden)-α-cyanomethyl>-anilin 119882-86-9 C19H17N3
    4-<α-(1,2-Dimethyl-1,4-dihydro-chinolin-4-yliden)-α-cyanomethyl>-anilin
    —— 4-heptyl-4-hydroxy-3-pyridin-2-yl-thiazolidine-2-thione 69378-49-0 C15H22N2OS2
    4-heptyl-4-hydroxy-3-pyridin-2-yl-thiazolidine-2-thione
    —— 4-benzyloxy-N-(3-chloro-2-hydroxypropyl)aniline 641637-92-5 C16H18ClNO2
    4-benzyloxy-N-(3-chloro-2-hydroxypropyl)aniline
    —— 4-[5-chloro-2-methyl-3-(3-pyrrolidin-1-yl-propyl)-phenyl]-piperazine-1-carboxylic acid tert-butyl ester 871340-48-6 C23H36ClN3O2
    4-[5-chloro-2-methyl-3-(3-pyrrolidin-1-yl-propyl)-phenyl]-piperazine-1-carboxylic acid tert-butyl ester
    —— (4-dichloromethyl-1-hydroxy-4-methyl-cyclohexa-2,5-dienyl)-acetic acid ethyl ester 860569-40-0 C12H16Cl2O3
    (4-dichloromethyl-1-hydroxy-4-methyl-cyclohexa-2,5-dienyl)-acetic acid ethyl ester
    —— 4-[chloro(dimethyl)silyl]butyl heptanoate 147689-10-9 C13H27ClO2Si
    4-[chloro(dimethyl)silyl]butyl heptanoate
    —— 4-<α-(4,5-Bis-(methylthio)-(2H)1,3-dithiol-2-yliden)-α-cyanomethyl>-nitrobenzen 119882-09-6 C13H10N2O2S4
    4-<α-(4,5-Bis-(methylthio)-(2H)1,3-dithiol-2-yliden)-α-cyanomethyl>-nitrobenzen
    —— 4-(4-p-tolylthiazol-2-yl)thiomorpholine-3,5-dione 1590443-71-2 C14H12N2O2S2
    4-(4-p-tolylthiazol-2-yl)thiomorpholine-3,5-dione
    —— <4-Methyl-cyclohexyl>-<3-chlor-3-phenyl-propyl>-aether 94461-54-8 C16H23ClO
    <4-Methyl-cyclohexyl>-<3-chlor-3-phenyl-propyl>-aether
    —— 4α-(diazomethylcarbonyl)-N-phenyltricyclo[5.2.1.0(2,6)]decane-2β,6β-dicarboximide 1296269-63-0 C20H19N3O3
    4α-(diazomethylcarbonyl)-N-phenyltricyclo[5.2.1.0(2,6)]decane-2β,6β-dicarboximide
    —— 4-methyl-3-acetoxyestra-1,3,5(10)-trien-16β-acetate-17β-ol 1146624-68-1 C23H30O5
    4-methyl-3-acetoxyestra-1,3,5(10)-trien-16β-acetate-17β-ol
    —— (4R,5S,6R)-6-[(t-butyldimethylsilyl)oxy]-5-[3-{(t-butyldimethylsilyl)oxy}propoxy]oct-7-en-1-yn-4-ol 299411-13-5 C23H46O4Si2
    (4R,5S,6R)-6-[(t-butyldimethylsilyl)oxy]-5-[3-{(t-butyldimethylsilyl)oxy}propoxy]oct-7-en-1-yn-4-ol
    —— 4-fluorophenyltolylsulfonomethylisocyanide 165806-85-9 C15H12FNS
    4-fluorophenyltolylsulfonomethylisocyanide
    —— 4-ethylamino-7-β-(D-ribofuranosyl)-furo[3,2-d]pyrimidine 885592-93-8 C13H17N3O5
    4-ethylamino-7-β-(D-ribofuranosyl)-furo[3,2-d]pyrimidine
    —— [4-(1H-pyrrolo[2,3-b]pyridin-5-yl)-pyrimidin-2-yl]-(3-trifluoromethyl-phenyl)-amine 915415-06-4 C18H12F3N5
    [4-(1H-pyrrolo[2,3-b]pyridin-5-yl)-pyrimidin-2-yl]-(3-trifluoromethyl-phenyl)-amine
    —— 4-(2,3-dihydro-thieno[3,4-b][1,4]dioxin-5-yl)-pyridine 691359-49-6 C11H9NO2S
    4-(2,3-dihydro-thieno[3,4-b][1,4]dioxin-5-yl)-pyridine