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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— (4-chloro-2,5-dimethoxy-phenyl)-(5,6-dihydro-4<i>H</i>-[1,3]thiazin-2-yl)-amine 91767-09-8 C12H15ClN2O2S
    (4-chloro-2,5-dimethoxy-phenyl)-(5,6-dihydro-4<i>H</i>-[1,3]thiazin-2-yl)-amine
    —— 4,4'-diphenyl-2,2'-(2-phenyl-ethene-1,1-diylbissulfanyl)-bis-thiazole 107063-71-8 C26H18N2S4
    4,4'-diphenyl-2,2'-(2-phenyl-ethene-1,1-diylbissulfanyl)-bis-thiazole
    —— 4-{(Z)-2-bromo-3-[N-(5-bromo-2-methylphenyl)-N-tosylamino]prop-1-enyl}benzoic acid 1380159-38-5 C24H21Br2NO4S
    4-{(Z)-2-bromo-3-[N-(5-bromo-2-methylphenyl)-N-tosylamino]prop-1-enyl}benzoic acid
    —— 4-methyl-6-[3-(trifluoromethyl)-4,5,6,7-tetrahydro-2H-indazol-2-yl]pyrimidin-2-amine 1619900-23-0 C13H14F3N5
    4-methyl-6-[3-(trifluoromethyl)-4,5,6,7-tetrahydro-2H-indazol-2-yl]pyrimidin-2-amine
    —— 4-methoxy-2-(3-methyl-but-3-enyl)-benzonitrile 1062612-72-9 C13H15NO
    4-methoxy-2-(3-methyl-but-3-enyl)-benzonitrile
    —— [4',5'-bis(decyloxy)-4''-nitro]dibenzo[1',2'-b:1'',2''-k]-1,4,7,10,13,16-hexaoxacyclooctadeca-2,11-diene 1135815-51-8 C40H63NO10
    [4',5'-bis(decyloxy)-4''-nitro]dibenzo[1',2'-b:1'',2''-k]-1,4,7,10,13,16-hexaoxacyclooctadeca-2,11-diene
    —— 4,4'-(1,2,4,5-tetrathiane-3,6-diylidene)bis(morpholin-4-ium) tetrabromocobaltate(II) 320774-52-5 Br4Co*C10H16N2O2S4
    4,4'-(1,2,4,5-tetrathiane-3,6-diylidene)bis(morpholin-4-ium) tetrabromocobaltate(II)
    —— 4-(5,5-dimethyl-4,5-dihydro-oxazol-4-yl)-pyridine 58644-86-3 C10H12N2O
    4-(5,5-dimethyl-4,5-dihydro-oxazol-4-yl)-pyridine
    —— 4-decarboxy-4α-chloromethyl-GA<sub>12</sub> methyl ester 1351678-63-1 C21H31ClO2
    4-decarboxy-4α-chloromethyl-GA<sub>12</sub> methyl ester
    —— 4-carbamimidoyl-1-cyclohexylidene semicarbazide 98553-75-4 C8H15N5O
    4-carbamimidoyl-1-cyclohexylidene semicarbazide
    —— 4-dimethyl(phenyl)silylbutan-2-ol 120196-08-9 C12H20OSi
    4-dimethyl(phenyl)silylbutan-2-ol
    —— 4-butoxy-5-fluoro-2,6-dioxo-hexahydro-pyrimidine-5-carboxylic acid butyl ester 65906-25-4 C13H21FN2O5
    4-butoxy-5-fluoro-2,6-dioxo-hexahydro-pyrimidine-5-carboxylic acid butyl ester
    —— 4',6'-O-benzylidene-penta-O-tert-butyldimethylsilanyloxy-tetra-N-benzyloxycarbonyl paromomycin 1221492-31-4 C92H143N5O22Si5
    4',6'-O-benzylidene-penta-O-tert-butyldimethylsilanyloxy-tetra-N-benzyloxycarbonyl paromomycin
    —— (4R,5S,6S)-3-[(3S,5S)-1-Allyloxycarbonyl-5-(3-hydroxy-pyridin-2-ylsulfanylmethyl)-pyrrolidin-3-ylsulfanyl]-6-((R)-1-hydroxy-ethyl)-4-methyl-7-oxo-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid allyl ester 372146-86-6 C27H33N3O7S2
    (4R,5S,6S)-3-[(3S,5S)-1-Allyloxycarbonyl-5-(3-hydroxy-pyridin-2-ylsulfanylmethyl)-pyrrolidin-3-ylsulfanyl]-6-((R)-1-hydroxy-ethyl)-4-methyl-7-oxo-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid allyl ester
    —— 4-(4-fluorophenyl)-N-(naphthalen-2-yl)thiazol-2-amine 1320340-87-1 C19H13FN2S
    4-(4-fluorophenyl)-N-(naphthalen-2-yl)thiazol-2-amine
    —— (4-Formyl-2-methyl-phenyl)-acetic acid 34841-57-1 C10H10O3
    (4-Formyl-2-methyl-phenyl)-acetic acid
    —— 4-((S)-azido((S)-2,2,5,5-tetramethyl-1,3-dioxolan-4-yl)methyl)-3-(2-((tert-butyldimethylsilyl)oxy)ethyl)-1-tosyl-1H-indole 1355952-08-7 C31H44N4O5SSi
    4-((S)-azido((S)-2,2,5,5-tetramethyl-1,3-dioxolan-4-yl)methyl)-3-(2-((tert-butyldimethylsilyl)oxy)ethyl)-1-tosyl-1H-indole
    —— 4-(2-chloro-4-nitrophenoxy)-8-(trifluoromethyl)quinoline 1033810-06-8 C16H8ClF3N2O3
    4-(2-chloro-4-nitrophenoxy)-8-(trifluoromethyl)quinoline
    —— 4-chloro-3-nitro-5-pyrrol-1-yl-sulfonyl-benzoic acid methyl ester 73967-42-7 C12H9ClN2O6S
    4-chloro-3-nitro-5-pyrrol-1-yl-sulfonyl-benzoic acid methyl ester
    —— 4-(3-(4-chlorobenzyl)-4-cyano-1-methyl-1H-pyrazol-5-ylamino)-N-(thiazol-2-yl)benzenesulfonamide 1104804-99-0 C21H17ClN6O2S2
    4-(3-(4-chlorobenzyl)-4-cyano-1-methyl-1H-pyrazol-5-ylamino)-N-(thiazol-2-yl)benzenesulfonamide
    —— 4-[5-(2-chloropyrimidin-5-yl)-[1,2,4]oxadiazol-3-ylmethoxy]piperidine-1-carboxylic acid tert-butyl ester 1245078-46-9 C17H22ClN5O4
    4-[5-(2-chloropyrimidin-5-yl)-[1,2,4]oxadiazol-3-ylmethoxy]piperidine-1-carboxylic acid tert-butyl ester
    —— {4-[4-((E)-1-Methyl-3-oxo-but-1-enylamino)-benzenesulfonyl]-phenyl}-urea 38649-56-8 C18H19N3O4S
    {4-[4-((E)-1-Methyl-3-oxo-but-1-enylamino)-benzenesulfonyl]-phenyl}-urea
    —— 4-Amino-1-ethyl-3-methyl-5-(N-methyl-N-α-methoxycarbonylacetylamino)-pyrazole 78467-15-9 C11H18N4O3
    4-Amino-1-ethyl-3-methyl-5-(N-methyl-N-α-methoxycarbonylacetylamino)-pyrazole
    —— (4S)-1,4:4,7-dianhydro-1,2,3-trideoxy-1-[(diphenoxyphosphoryl)amino]-5,6,8-tri-O-methyl-D-ribo-oct-4-ulose 1185548-46-2 C23H30NO7P
    (4S)-1,4:4,7-dianhydro-1,2,3-trideoxy-1-[(diphenoxyphosphoryl)amino]-5,6,8-tri-O-methyl-D-ribo-oct-4-ulose
    —— 4-{[5-(2-chloro-pyrimidin-4-yl)-thiophen-2-ylmethyl]-propyl-amino}-piperidine-1-carboxylic acid tert-butyl ester 859517-61-6 C22H31ClN4O2S
    4-{[5-(2-chloro-pyrimidin-4-yl)-thiophen-2-ylmethyl]-propyl-amino}-piperidine-1-carboxylic acid tert-butyl ester
    —— 4-[2-butyl-5-((R)-2-hydroxycarbamoyl-1-pentafluorophenylmethylethyl-carbamoyl)imidazol-1-ylmethyl]benzoic acid 1073546-74-3 C26H25F5N4O5
    4-[2-butyl-5-((R)-2-hydroxycarbamoyl-1-pentafluorophenylmethylethyl-carbamoyl)imidazol-1-ylmethyl]benzoic acid
    —— {4-[5-hydroxy-8-(3-((methylamino)carbonyl)phenyl)-3-phenyl-1,6-naphthyridin-2-yl]phenyl}methanaminium chloride 1238317-53-7 C29H24N4O2*ClH
    {4-[5-hydroxy-8-(3-((methylamino)carbonyl)phenyl)-3-phenyl-1,6-naphthyridin-2-yl]phenyl}methanaminium chloride
    —— (4a<i>R</i>)-4-dimethylamino-3,5<i>c</i>,6<i>t</i>,10,12,12a-hexahydroxy-6<i>c</i>-methyl-1,11-dioxo-(4a<i>r</i>,5a<i>c</i>,12a<i>c</i>)-1,4,4a,5,5a,6,11,12a-octahydro-naphthacene-2-carbonitrile 36398-17-1 C22H22N2O8
    (4a<i>R</i>)-4-dimethylamino-3,5<i>c</i>,6<i>t</i>,10,12,12a-hexahydroxy-6<i>c</i>-methyl-1,11-dioxo-(4a<i>r</i>,5a<i>c</i>,12a<i>c</i>)-1,4,4a,5,5a,6,11,12a-octahydro-naphthacene-2-carbonitrile
    —— 4-Nitrobenzoesaeure-<5-allyl-2-dimethylamino-4-methyl-pyrimidinyl-(6)>-ester 19810-70-9 C17H18N4O4
    4-Nitrobenzoesaeure-<5-allyl-2-dimethylamino-4-methyl-pyrimidinyl-(6)>-ester
    —— 4-(2-hydroxy-ethyl)-1-[3-(2-methoxy-phenothiazin-10-yl)-2-methyl-propyl]-piperidin-4-ol 95748-16-6 C24H32N2O3S
    4-(2-hydroxy-ethyl)-1-[3-(2-methoxy-phenothiazin-10-yl)-2-methyl-propyl]-piperidin-4-ol
    —— 4,5,6,7,8-Pentachloro-8-methyl-2,3,3a,4,7,7a-hexahydro-1H-4,7-methano-indene 5010-94-6 C11H11Cl5
    4,5,6,7,8-Pentachloro-8-methyl-2,3,3a,4,7,7a-hexahydro-1H-4,7-methano-indene
    —— [4-amino-3-(4-nitro-phenyl)-2-oxo-2,3-dihydro-imidazol-1-yl]-acetonitrile 21885-75-6 C11H9N5O3
    [4-amino-3-(4-nitro-phenyl)-2-oxo-2,3-dihydro-imidazol-1-yl]-acetonitrile
    —— 4-(2-methyl-morpholin-4-yl)-2-pyrrolidin-1-yl-5,7-dihydro-thieno[3,4-<i>d</i>]pyrimidine 5727-04-8 C15H22N4OS
    4-(2-methyl-morpholin-4-yl)-2-pyrrolidin-1-yl-5,7-dihydro-thieno[3,4-<i>d</i>]pyrimidine
    —— 4-[[2-[(3,5-dimorpholin-4-ylphenyl)amino]pyrimidin-4-yl]-methyl-amino]benzonitrile 1051897-25-6 C26H29N7O2
    4-[[2-[(3,5-dimorpholin-4-ylphenyl)amino]pyrimidin-4-yl]-methyl-amino]benzonitrile
    —— (4-Methyl-3-o-tolyloxythiocarbonylamino-phenyl)-thiocarbamic acid O-o-tolyl ester 31858-55-6 C23H22N2O2S2
    (4-Methyl-3-o-tolyloxythiocarbonylamino-phenyl)-thiocarbamic acid O-o-tolyl ester
    —— 4-<i>sec</i>-butyl-5-dimethylcarbamoyloxy-2-isopropyl-thiazole 37123-88-9 C13H22N2O2S
    4-<i>sec</i>-butyl-5-dimethylcarbamoyloxy-2-isopropyl-thiazole
    —— 4-methyl-cis-1-cisoid-1,9-cis-9-2,4,6-triazatetracyclo<7.5.0.02,6.011,14>tetradeca-7,11-diene-3,5,13-trione 115492-59-6 C12H11N3O3
    4-methyl-cis-1-cisoid-1,9-cis-9-2,4,6-triazatetracyclo<7.5.0.02,6.011,14>tetradeca-7,11-diene-3,5,13-trione
    —— 4-methylumbelliferone 2,3:4,6-di-O-isopropylidene-α-D-mannopyranoside 1448999-50-5 C22H26O8
    4-methylumbelliferone 2,3:4,6-di-O-isopropylidene-α-D-mannopyranoside
    —— (4,5α-epoxy-3,6α-dihydroxy-morphin-7-en-17-yl)-acetic acid amide 109733-29-1 C18H20N2O4
    (4,5α-epoxy-3,6α-dihydroxy-morphin-7-en-17-yl)-acetic acid amide
    —— 4-Methyl-1-prop-2-enyl-1,2,4-triazolidine-3,5-dione 75782-36-4 C6H9N3O2
    4-Methyl-1-prop-2-enyl-1,2,4-triazolidine-3,5-dione
    —— (4S,5R,6S,8R)-5-Hydroxy-4,6-dimethoxy-2,8-dimethyl-nonanedioic acid benzyl ester tert-butyl ester 201995-75-7 C24H38O7
    (4S,5R,6S,8R)-5-Hydroxy-4,6-dimethoxy-2,8-dimethyl-nonanedioic acid benzyl ester tert-butyl ester
    —— 4-benzoyloxy-3-(5-phenyl-1,2,4-oxadiazol-3-yl)-2H-chromen-2-one 1307239-83-3 C24H14N2O5
    4-benzoyloxy-3-(5-phenyl-1,2,4-oxadiazol-3-yl)-2H-chromen-2-one
    —— 4-butylsulfanyl-4-chlorobut-3-en-2-one 108914-93-8 C8H13ClOS
    4-butylsulfanyl-4-chlorobut-3-en-2-one
    —— 4-(2-methylpropylthio)benzoic acid 53551-35-2 C11H14O2S
    4-(2-methylpropylthio)benzoic acid
    —— 4-(1-acetoxy-ethyl)-1,2-dimethyl-cyclohexene 74454-07-2 C12H20O2
    4-(1-acetoxy-ethyl)-1,2-dimethyl-cyclohexene
    —— 4-(2-Nitrophenyl)-1,3-diphenyl-5-pyrazolon 50737-59-2 C21H15N3O3
    4-(2-Nitrophenyl)-1,3-diphenyl-5-pyrazolon
    —— 4-O-acetyl-3-O-tert-butyldimethylsilyl-2-thiophenyl-6-O-tosyl-α-D-glycopyranosyl-(1→4)-α-L-rhodinopyranosyl-(1→4)-2,3-di-O-benzoyl-1-O-benzyl-α-L-rhamnopyranoside 1443651-65-7 C60H72O16S2Si
    4-O-acetyl-3-O-tert-butyldimethylsilyl-2-thiophenyl-6-O-tosyl-α-D-glycopyranosyl-(1→4)-α-L-rhodinopyranosyl-(1→4)-2,3-di-O-benzoyl-1-O-benzyl-α-L-rhamnopyranoside
    —— 4''-methoxyphenyl (E)-5-phenylpent-2-enoate 1296207-54-9 C18H18O3
    4''-methoxyphenyl (E)-5-phenylpent-2-enoate
    —— 4-[5-(5-bromothiophen-2-yl)thiophen-2-yl]pyridine 164936-57-6 C13H8BrNS2
    4-[5-(5-bromothiophen-2-yl)thiophen-2-yl]pyridine
    —— 4,5,6-Trideuterohemimelliten 38574-12-8 C9H12
    4,5,6-Trideuterohemimelliten