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中文名称 英文名称 CAS号 化学式 结构式图片
—— 4-ethyl-6-methyl-2-phenyl-4<i>H</i>-[1,3,4]oxadiazin-5-one 57180-13-9 C12H14N2O2
4-ethyl-6-methyl-2-phenyl-4<i>H</i>-[1,3,4]oxadiazin-5-one
—— 4-[2-(2-Azidomethyl-[1,3]dioxolan-2-yl)-ethylsulfanyl]-benzoic acid methyl ester 74162-97-3 C14H17N3O4S
4-[2-(2-Azidomethyl-[1,3]dioxolan-2-yl)-ethylsulfanyl]-benzoic acid methyl ester
—— 4-allyloxy-N-t-butyloxycarbonyl-3-iodopicolinanilide 849437-74-7 C20H21IN2O4
4-allyloxy-N-t-butyloxycarbonyl-3-iodopicolinanilide
—— 4-α-(1-methyl-2-pyrrolidinyl)-2-oxo-1,2-dihydroquinoline-4-acetic acid methyl ester 158265-15-7 C17H20N2O3
4-α-(1-methyl-2-pyrrolidinyl)-2-oxo-1,2-dihydroquinoline-4-acetic acid methyl ester
—— 4-(2,3-difluoro-benzylsulfanyl)-nitrobenzene 866357-89-3 C13H9F2NO2S
4-(2,3-difluoro-benzylsulfanyl)-nitrobenzene
—— (4-Chloro-1-phenyl-1H-isoquinolin-2-yl)-phenyl-methanone 126824-88-2 C22H16ClNO
(4-Chloro-1-phenyl-1H-isoquinolin-2-yl)-phenyl-methanone
—— 4-Amino-2,3-dimethyl-thiazolium-Jodid 114983-38-9 C5H9N2S*I
4-Amino-2,3-dimethyl-thiazolium-Jodid
—— 4-((Z)-2-Methoxycarbonyl-vinyloxy)-pyrrolo[2,1,5-cd]indolizine-1,3-dicarboxylic acid dimethyl ester 56154-98-4 C18H15NO7
4-((Z)-2-Methoxycarbonyl-vinyloxy)-pyrrolo[2,1,5-cd]indolizine-1,3-dicarboxylic acid dimethyl ester
—— 4-Phenyl-6-(3.4-dimethylphenyl)-pyridazin-3(4H)-on 54543-60-1 C18H18N2O
4-Phenyl-6-(3.4-dimethylphenyl)-pyridazin-3(4H)-on
—— (4-Methoxy-phenyl)-acetic acid 2-[2-(4-methoxy-phenyl)-acetylamino]-ethyl ester 56369-47-2 C20H23NO5
(4-Methoxy-phenyl)-acetic acid 2-[2-(4-methoxy-phenyl)-acetylamino]-ethyl ester
—— 4-Butyl-3-ethyl-6,10-dithia-spiro[4.5]dec-3-en-2-ol 56697-55-3 C14H24OS2
4-Butyl-3-ethyl-6,10-dithia-spiro[4.5]dec-3-en-2-ol
—— 4-Deuterio-chinazolin 13221-69-7 C8H6N2
4-Deuterio-chinazolin
—— 4-Jod-phthalsaeure-bis-(2-butoxy-aethyl-ester) 4842-05-1 C20H29IO6
4-Jod-phthalsaeure-bis-(2-butoxy-aethyl-ester)
—— 4-iodo-3-(trifluoromethyl)-1,1'-biphenyl 1198594-20-5 C13H8F3I
4-iodo-3-(trifluoromethyl)-1,1'-biphenyl
—— 4-amino-5-phenyl-4H-1,2,4-triazol-3-yl 2-(naphthalen-2-yl)-2-oxo-N-(m-tolyl)ethanehydrazonothioate 340291-56-7 C27H22N6OS
4-amino-5-phenyl-4H-1,2,4-triazol-3-yl 2-(naphthalen-2-yl)-2-oxo-N-(m-tolyl)ethanehydrazonothioate
—— 4-fenil-1-acetil-1-cicloesene 84871-22-7 C14H16O
4-fenil-1-acetil-1-cicloesene
—— 4-iodo-1-methoxy-3-phenyl-1H-isochromene 587882-43-7 C16H13IO2
4-iodo-1-methoxy-3-phenyl-1H-isochromene
—— 4-methylbenzyl dimethylcarbamodithioate 28387-58-8 C11H15NS2
4-methylbenzyl dimethylcarbamodithioate
—— 4,4'-(3,6-dioxa-2,7-diazaocta-1,7-diene-1,8-diyl)bis(2,3-dihydroxybenzaldehyde) O,O-di(2-(((2-hydroxy-3-methoxybenzylidene)amino)oxy)ethyl) dioxime 844644-82-2 C38H40N6O14
4,4'-(3,6-dioxa-2,7-diazaocta-1,7-diene-1,8-diyl)bis(2,3-dihydroxybenzaldehyde) O,O-di(2-(((2-hydroxy-3-methoxybenzylidene)amino)oxy)ethyl) dioxime
—— (4R,6S)-p-Hydroxymethadone 41238-35-1 C21H27NO2
(4R,6S)-p-Hydroxymethadone
—— 4-amino-7-methyl-1H-pyrazino<2,3-c>-1,2,6-thiadiazine 2,2-dioxide 131619-60-8 C6H7N5O2S
4-amino-7-methyl-1H-pyrazino<2,3-c>-1,2,6-thiadiazine 2,2-dioxide
—— 4,4'-Dimethyl-1,1'-sulfinyldipiperazin 82942-83-4 C10H22N4OS
4,4'-Dimethyl-1,1'-sulfinyldipiperazin
—— 4-Methyl-5-phenyl-2-thiiranylmethyl-2,4-dihydro-[1,2,4]triazol-3-one 125707-74-6 C12H13N3OS
4-Methyl-5-phenyl-2-thiiranylmethyl-2,4-dihydro-[1,2,4]triazol-3-one
—— 4-Fluor-2,3-dioxo-butansaeure-(1)-aethylester-bis-<2,4-dinitrophenylhydrazon> 864-54-0 C18H15FN8O10
4-Fluor-2,3-dioxo-butansaeure-(1)-aethylester-bis-<2,4-dinitrophenylhydrazon>
—— 4',4'-dimethyl-8b'-quinolin-3-yl-4',8b'-dihydrospiro[cyclopentane-1,3'-oxazileno[3,2-a] isoquinoline] 861648-42-2 C24H24N2O
4',4'-dimethyl-8b'-quinolin-3-yl-4',8b'-dihydrospiro[cyclopentane-1,3'-oxazileno[3,2-a] isoquinoline]
—— (4aR,4bS,6aS,11aS,11bR)-4a,6a-Dimethyl-8-p-tolyl-1,2,3,4,4a,4b,5,6,6a,6b,10,10a,11,11a,11b,12-hexadecahydro-7-oxa-9-aza-indeno[2,1-a]phenanthren-2-ol 101039-31-0 C28H37NO2
(4aR,4bS,6aS,11aS,11bR)-4a,6a-Dimethyl-8-p-tolyl-1,2,3,4,4a,4b,5,6,6a,6b,10,10a,11,11a,11b,12-hexadecahydro-7-oxa-9-aza-indeno[2,1-a]phenanthren-2-ol
—— 4b,5-Dihydro-5,5,10-triphenyl-11H-benzo<b>fluorenon-(11) 13975-11-6 C35H24O
4b,5-Dihydro-5,5,10-triphenyl-11H-benzo<b>fluorenon-(11)
—— 4-nitrophenyl 1,3-dimethyl-3-(3-(3-(3-benzyl-1-methyl-3-phenylureido)phenyl)ureido)phenylcarbamate 1067199-55-6 C37H34N6O6
4-nitrophenyl 1,3-dimethyl-3-(3-(3-(3-benzyl-1-methyl-3-phenylureido)phenyl)ureido)phenylcarbamate
—— (4a<i>rH</i>.8a<i>tH</i>.9a<i>tH</i>.10a<i>cH</i>)-1,4,4a,5,8,8a,9a,10a-octahydro-anthraquinone 36257-83-7 C14H16O2
(4a<i>rH</i>.8a<i>tH</i>.9a<i>tH</i>.10a<i>cH</i>)-1,4,4a,5,8,8a,9a,10a-octahydro-anthraquinone
—— 4-(2-{[(4-methylphenyl)methyl]amino}(1,3-thiazol-4-yl))-5-methylthiothiophene-2-carboxamidine hydrochloride 237383-24-3 C17H18N4S3*ClH
4-(2-{[(4-methylphenyl)methyl]amino}(1,3-thiazol-4-yl))-5-methylthiothiophene-2-carboxamidine hydrochloride
—— 4-(4-{3-fluoro-4-[(3-hydroxy-azetidine-1-carbonyl)amino]phenyl}cyclohexylideneaminooxy)piperidine-1-carboxylic acid phenyl ester 1393685-30-7 C28H33FN4O5
4-(4-{3-fluoro-4-[(3-hydroxy-azetidine-1-carbonyl)amino]phenyl}cyclohexylideneaminooxy)piperidine-1-carboxylic acid phenyl ester
—— 4,4'-Di(2-hydroxycarbonylethoxy)-stilben 73563-13-0 C20H20O6
4,4'-Di(2-hydroxycarbonylethoxy)-stilben
—— 4-(aminosulfonyl)-N-(4-methyl-1-piperazinyl)benzamide 154715-58-9 C12H18N4O3S
4-(aminosulfonyl)-N-(4-methyl-1-piperazinyl)benzamide
—— 4-acetyl-3,7<i>t</i>,7a-tribromo-(7a<i>r</i>)-5,6,7,7a-tetrahydro-4<i>H</i>-furo[3,2-<i>b</i>]pyridin-2-one 38061-67-5 C9H8Br3NO3
4-acetyl-3,7<i>t</i>,7a-tribromo-(7a<i>r</i>)-5,6,7,7a-tetrahydro-4<i>H</i>-furo[3,2-<i>b</i>]pyridin-2-one
—— (4-amino-8-bromo-7-fluorocinnolin-3-yl)(azetidin-1-yl)methanone 1261980-80-6 C12H10BrFN4O
(4-amino-8-bromo-7-fluorocinnolin-3-yl)(azetidin-1-yl)methanone
—— 4-<i>tert</i>-butoxy-5-fluoro-2,6-dioxo-hexahydro-pyrimidine-5-carboxylic acid ethyl ester 65906-29-8 C11H17FN2O5
4-<i>tert</i>-butoxy-5-fluoro-2,6-dioxo-hexahydro-pyrimidine-5-carboxylic acid ethyl ester
—— 4-Acetyl-3-Hydroxy-6,6-dimethyl-6H-dibenzo<b,d>pyran 55815-56-0 C17H16O3
4-Acetyl-3-Hydroxy-6,6-dimethyl-6H-dibenzo<b,d>pyran
—— 4-(3'-Nitrophenyl)-3,5-diphenyl-1,2,4-triazol 29091-65-4 C20H14N4O2
4-(3'-Nitrophenyl)-3,5-diphenyl-1,2,4-triazol
—— 4-Nitrochinolin-2-carboxyamid-N-oxid 56289-99-7 C10H7N3O4
4-Nitrochinolin-2-carboxyamid-N-oxid
—— (4-benzyl-2-methyl-5-oxo-1-phenyl-2,5-dihydro-1<i>H</i>-pyrazol-3-yl)-acetic acid methyl ester 54813-84-2 C20H20N2O3
(4-benzyl-2-methyl-5-oxo-1-phenyl-2,5-dihydro-1<i>H</i>-pyrazol-3-yl)-acetic acid methyl ester
—— (4<i>c</i>-methoxy-but-3-en-1-ynyl)-copper 69626-47-7 C5H5CuO
(4<i>c</i>-methoxy-but-3-en-1-ynyl)-copper
—— 4'-(4-(4-fluorophenyl)-1H-1,2,3-triazol-1-yl)-2,2'-bipyridine N'-oxide 1309763-82-3 C18H12FN5O
4'-(4-(4-fluorophenyl)-1H-1,2,3-triazol-1-yl)-2,2'-bipyridine N'-oxide
—— 4,7-Diacetoxy-5,6-dichlor-1-methyl-1H-indazol 56054-66-1 C12H10Cl2N2O4
4,7-Diacetoxy-5,6-dichlor-1-methyl-1H-indazol
—— 4-benzyl-8-benzyloxy-6-phenyl-3,4,5,6-tetrahydro-2<i>H</i>-2,6-methano-benzo[<i>g</i>][1,4]oxazocine; hydrochloride 55395-83-0 C31H29NO2*ClH
4-benzyl-8-benzyloxy-6-phenyl-3,4,5,6-tetrahydro-2<i>H</i>-2,6-methano-benzo[<i>g</i>][1,4]oxazocine; hydrochloride
—— [4-difluoromethoxy-2-ethyl-8-fluoro-3-(4-methoxybenzyl)quinolin-5-yloxy]acetic acid 1071495-42-5 C22H20F3NO5
[4-difluoromethoxy-2-ethyl-8-fluoro-3-(4-methoxybenzyl)quinolin-5-yloxy]acetic acid
—— 4-Hexanoyloxy-2H-1,3-benzoxathiol-2-on 96229-47-9 C13H14O4S
4-Hexanoyloxy-2H-1,3-benzoxathiol-2-on
—— 4-<3-Amino-4-brom-(2)pyridylimino>-3-methyl-1-phenyl-Δ<sup>2</sup>-pyrazolin-5-on 796-51-0 C15H12BrN5O
4-<3-Amino-4-brom-(2)pyridylimino>-3-methyl-1-phenyl-Δ<sup>2</sup>-pyrazolin-5-on
—— 4-Benzylamino-5-nitro-2-amino-6-hydroxy-pyrimidin 892-96-6 C11H11N5O3
4-Benzylamino-5-nitro-2-amino-6-hydroxy-pyrimidin
—— 4-Eicosyl-2-octadecyl-hexacos-4-en-1.3-diol 97155-58-3 C64H128O2
4-Eicosyl-2-octadecyl-hexacos-4-en-1.3-diol
—— 4-(N-Methylacetamido)-3-methylphenol 40936-65-0 C10H13NO2
4-(N-Methylacetamido)-3-methylphenol