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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-methyl-2-p-tolyl-isothiazolidine 1,1-dioxide 92147-14-3 C11H15NO2S
    5-methyl-2-p-tolyl-isothiazolidine 1,1-dioxide
    —— 5-formyl-1-(4-nitro-phenyl)-1<i>H</i>-pyrazole-3-carboxylic acid 40753-50-2 C11H7N3O5
    5-formyl-1-(4-nitro-phenyl)-1<i>H</i>-pyrazole-3-carboxylic acid
    —— 5-(2-Pyrrolyl)-2-pyrrolidinon 4809-20-5 C8H10N2O
    5-(2-Pyrrolyl)-2-pyrrolidinon
    —— 5-hydroxy-9-(1-pyridin-2-ylmethyl-piperidin-4-yl)-9H-xanthene-3-carbonitrile 893416-94-9 C25H23N3O2
    5-hydroxy-9-(1-pyridin-2-ylmethyl-piperidin-4-yl)-9H-xanthene-3-carbonitrile
    —— 5-(2-methylsulfanylphenyl)-3-(5-phenyl-1,3,4-oxadiazol-2-yl)pyrazin-2-amine 1232412-44-0 C19H15N5OS
    5-(2-methylsulfanylphenyl)-3-(5-phenyl-1,3,4-oxadiazol-2-yl)pyrazin-2-amine
    —— 5-tert-butyl-2-(2-carboxymethylsulfanylphenyl)-2-oxoacetic acid 1284213-65-5 C14H16O5S
    5-tert-butyl-2-(2-carboxymethylsulfanylphenyl)-2-oxoacetic acid
    —— 5-acetyl-4-cyano-1,2-dimethyl-1-cyclohexene 143056-90-0 C11H15NO
    5-acetyl-4-cyano-1,2-dimethyl-1-cyclohexene
    —— 5-(2-ethylsulfonyl-1,3,3a,4,6,6a-hexahydropyrrolo[3,4-c]pyrrol-5-yl)-3-[5-[4-(methylaminomethyl)phenyl]-1,3,4-oxadiazol-2-yl]pyrazin-2-amine 1225063-47-7 C22H28N8O3S
    5-(2-ethylsulfonyl-1,3,3a,4,6,6a-hexahydropyrrolo[3,4-c]pyrrol-5-yl)-3-[5-[4-(methylaminomethyl)phenyl]-1,3,4-oxadiazol-2-yl]pyrazin-2-amine
    —— 5-chloro-1-cyclobutyl-2-{5-[(1,1,1-trifluoro-2-methylpropan-2-yl)sulfamoyl]pyridin-2-yl}-1H-pyrrolo[2,3-b]pyridine-3-carboxylic acid 1247936-39-5 C21H20ClF3N4O4S
    5-chloro-1-cyclobutyl-2-{5-[(1,1,1-trifluoro-2-methylpropan-2-yl)sulfamoyl]pyridin-2-yl}-1H-pyrrolo[2,3-b]pyridine-3-carboxylic acid
    —— 5-Benzoxycarbonyl-2-cyano-4-(2-methoxycarbonylethyl)-3-methoxycarbonylmethylpyrrole 85144-32-7 C20H20N2O6
    5-Benzoxycarbonyl-2-cyano-4-(2-methoxycarbonylethyl)-3-methoxycarbonylmethylpyrrole
    —— 5-tert-butyl-3-{4-[3-methoxy-4-(4-methyl-1H-imidazol-1-yl)phenyl]-1H-1,2,3-triazol-1-yl}-1-(2,2,2-trifluoroethyl)azepan-2-one 1093979-14-6 C25H31F3N6O2
    5-tert-butyl-3-{4-[3-methoxy-4-(4-methyl-1H-imidazol-1-yl)phenyl]-1H-1,2,3-triazol-1-yl}-1-(2,2,2-trifluoroethyl)azepan-2-one
    —— 5-methylindan-1-one-3-acetic acid methylester 16304-73-7 C13H14O3
    5-methylindan-1-one-3-acetic acid methylester
    —— (5<i>R</i>)-2-oxy-4<i>t</i>-(tri-<i>O</i>-benzoyl-β-<i>D</i>-ribofuranosyl)-4,5-dihydro-isoxazole-3,5<i>r</i>-dicarboxylic acid dimethyl ester 70497-22-2 C33H29NO13
    (5<i>R</i>)-2-oxy-4<i>t</i>-(tri-<i>O</i>-benzoyl-β-<i>D</i>-ribofuranosyl)-4,5-dihydro-isoxazole-3,5<i>r</i>-dicarboxylic acid dimethyl ester
    —— (5-oxotetrahydrofuran-2-yl)methyl formate 57859-04-8 C6H8O4
    (5-oxotetrahydrofuran-2-yl)methyl formate
    —— 5'-methyl-7'-phenyl-1'-((trifluoromethyl)sulfonyl)spiro[cyclopropane-1,3'-indoline] 1426327-77-6 C18H16F3NO2S
    5'-methyl-7'-phenyl-1'-((trifluoromethyl)sulfonyl)spiro[cyclopropane-1,3'-indoline]
    —— (+/-)-5,8-Dihydro-4-isopropoxy-7-methyl-5-(3-nitrophenyl)pyrido[2,3-d]pyrimidine-6-carboxylic acid methyl ester 104358-01-2 C19H20N4O5
    (+/-)-5,8-Dihydro-4-isopropoxy-7-methyl-5-(3-nitrophenyl)pyrido[2,3-d]pyrimidine-6-carboxylic acid methyl ester
    —— (5Z,10Z,14Z,19Z)-5-(3-Chloro-phenyl)-2,8,13,17-tetraethyl-3,7,12,18-tetramethyl-porphyrin 131353-99-6 C38H41ClN4
    (5Z,10Z,14Z,19Z)-5-(3-Chloro-phenyl)-2,8,13,17-tetraethyl-3,7,12,18-tetramethyl-porphyrin
    —— 5-[4-(4-(butyl)benzoylamino)-phenoxy]-2-(4-trifluoromethyl-benzoylamino)benzoic acid 1192314-99-0 C32H27F3N2O5
    5-[4-(4-(butyl)benzoylamino)-phenoxy]-2-(4-trifluoromethyl-benzoylamino)benzoic acid
    —— 5-nitrodinaphtho-[1,2-b; 2'3'-d]-furan-7,12-dione 60626-85-9 C20H9NO5
    5-nitrodinaphtho-[1,2-b; 2'3'-d]-furan-7,12-dione
    —— 5,10,15,20-tetrakis[3-(hexyloxy)phenyl]porphyrin 1330570-14-3 C68H78N4O4
    5,10,15,20-tetrakis[3-(hexyloxy)phenyl]porphyrin
    —— 5,10,15,20,22,24-hexahydro-5,5,10,15,15,20-hexamethyl-10α,20β-bis-[4-(2-methoxycarbonylethyl-1-thio)phenyl]-calix[4]pyrrole 1335144-53-0 C46H52N4O4S2
    5,10,15,20,22,24-hexahydro-5,5,10,15,15,20-hexamethyl-10α,20β-bis-[4-(2-methoxycarbonylethyl-1-thio)phenyl]-calix[4]pyrrole
    —— 5-isopropyl-4-methyl-1,3-dioxane 343929-32-8 C8H16O2
    5-isopropyl-4-methyl-1,3-dioxane
    —— (5R,6S)-3-(2-Acetylamino-ethanesulfinyl)-6-((S)-1-hydroxy-ethyl)-7-oxo-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl ester 76217-43-1 C20H23N3O8S
    (5R,6S)-3-(2-Acetylamino-ethanesulfinyl)-6-((S)-1-hydroxy-ethyl)-7-oxo-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl ester
    —— 5-<(benzyloxycarbonyl)amino>pentyl 6-O-benzoyl-3,4-O-<1-(R)-(methoxycarbonyl)ethylidene>-β-D-galactopyranoside 161602-68-2 C30H37NO11
    5-<(benzyloxycarbonyl)amino>pentyl 6-O-benzoyl-3,4-O-<1-(R)-(methoxycarbonyl)ethylidene>-β-D-galactopyranoside
    —— (5S)-5-(aminomethyl)-3-((S)-1-sec-butyl-1H-indazol-5-yl)oxazolidin-2-one 945928-69-8 C15H20N4O2
    (5S)-5-(aminomethyl)-3-((S)-1-sec-butyl-1H-indazol-5-yl)oxazolidin-2-one
    —— 5,5-dimethyl-3,7-dichloro-1-thia-5-silacyclooctane 1264756-34-4 C8H16Cl2SSi
    5,5-dimethyl-3,7-dichloro-1-thia-5-silacyclooctane
    —— 5-(3-bromo-4-hydroxybenzylidene)-3-(2-methoxyphenyl)-2-thioxo-1,3-oxazolidin-4-one 1275574-96-3 C17H12BrNO4S
    5-(3-bromo-4-hydroxybenzylidene)-3-(2-methoxyphenyl)-2-thioxo-1,3-oxazolidin-4-one
    —— <5,5-Dimethyl-4-oxo-thiazolidin-2-yliden>-harnstoff 3163-49-3 C6H9N3O2S
    <5,5-Dimethyl-4-oxo-thiazolidin-2-yliden>-harnstoff
    —— 5-Acetoxy-6-methyl-4(3H)-pyrimidinone 109113-84-0 C7H8N2O3
    5-Acetoxy-6-methyl-4(3H)-pyrimidinone
    —— 5-bromo-4-fluoro-1H-indole-2-carboxylic acid 1784350-40-8 C9H5BrFNO2
    5-bromo-4-fluoro-1H-indole-2-carboxylic acid
    —— 5-[(3-butylimidazol-1-ium-1-yl)methyl]-1H-1,2,4-triazole;chloride 134724-18-8 C10H16N5*Cl
    5-[(3-butylimidazol-1-ium-1-yl)methyl]-1H-1,2,4-triazole;chloride
    —— [5-Chloro-2-(trifluoromethyl)phenyl]methanamine hydrochloride 959139-51-6 C8H8Cl2F3N
    [5-Chloro-2-(trifluoromethyl)phenyl]methanamine hydrochloride
    —— 5-difluorochloromethyl-2-p-methoxyphenoxy pyridine 71701-87-6 C13H10ClF2NO2
    5-difluorochloromethyl-2-p-methoxyphenoxy pyridine
    —— (5S, 1'S)-5-(1-Phenylaethylamino)-3-hexin-1-ol 72132-18-4 C14H19NO
    (5S, 1'S)-5-(1-Phenylaethylamino)-3-hexin-1-ol
    —— ((5S,6S)-5-tert-Butoxycarbonylamino-6,8-dihydroxy-octyl)-carbamic acid benzyl ester 115384-67-3 C21H34N2O6
    ((5S,6S)-5-tert-Butoxycarbonylamino-6,8-dihydroxy-octyl)-carbamic acid benzyl ester
    —— 5-hex-2-ynylbenzene-1,3-diol 165335-88-6 C12H14O2
    5-hex-2-ynylbenzene-1,3-diol
    —— 5-chloro-6,11-diaza-tricyclo[7.3.1.0(2,7)]trideca-2(7),3,5-triene 1258604-46-4 C11H13ClN2
    5-chloro-6,11-diaza-tricyclo[7.3.1.0(2,7)]trideca-2(7),3,5-triene
    —— 5-Cyano-1-(3-chloro-4-methylphenyl)-N-methyl-1H-pyrazole-4-carboxamide 98475-94-6 C13H11ClN4O
    5-Cyano-1-(3-chloro-4-methylphenyl)-N-methyl-1H-pyrazole-4-carboxamide
    —— 5-t-butoxycarbonyl-3-carboxy-4-(2-chlorophenyl)-2-hydroxymethyl-6-methylpyridine 120289-20-5 C19H20ClNO5
    5-t-butoxycarbonyl-3-carboxy-4-(2-chlorophenyl)-2-hydroxymethyl-6-methylpyridine
    —— 5-[4-[4-(2-pyridyl)-1-piperazinyl]-1-hydroxybutyl]-2-hydroxyacetanilide 100078-13-5 C21H28N4O3
    5-[4-[4-(2-pyridyl)-1-piperazinyl]-1-hydroxybutyl]-2-hydroxyacetanilide
    —— 5-[4-(1-tert-butoxycarbonylamino-1-methylethyl)phenyl]-3-hydroxyiminomethyl-1H-indazole 850362-86-6 C22H26N4O3
    5-[4-(1-tert-butoxycarbonylamino-1-methylethyl)phenyl]-3-hydroxyiminomethyl-1H-indazole
    —— 5.5'.6.6'-Tetramethoxy-benzophenon-3.3'-dicarbonsaeure-dimethylester 41565-08-6 C21H22O9
    5.5'.6.6'-Tetramethoxy-benzophenon-3.3'-dicarbonsaeure-dimethylester
    —— 5-(4-(2-((3-cyclobutylisoxazol-5-yl)amino)-2-oxoethyl)phenyl)pyridin-2-aminium methanesulfonate 1267852-36-7 CH4O3S*C20H20N4O2
    5-(4-(2-((3-cyclobutylisoxazol-5-yl)amino)-2-oxoethyl)phenyl)pyridin-2-aminium methanesulfonate
    —— 5-benzyl-4-butyl-5-methyl-3-naphthalen-2-yl-4,5-dihydro-[1,2,4]oxadiazole 1431165-82-0 C24H26N2O
    5-benzyl-4-butyl-5-methyl-3-naphthalen-2-yl-4,5-dihydro-[1,2,4]oxadiazole
    —— 5-Bromo-2,3-diaza-bicyclo[3.2.0]hept-2-ene-1-carboxylic acid methyl ester 89058-93-5 C7H9BrN2O2
    5-Bromo-2,3-diaza-bicyclo[3.2.0]hept-2-ene-1-carboxylic acid methyl ester
    —— 5-(2,2-dimethyl-1,1,3,3-tetraoxo-1λ<sup>6</sup>,3λ<sup>6</sup>-[1,3]dithian-4-yl)-valeric acid 103907-26-2 C11H20O6S2
    5-(2,2-dimethyl-1,1,3,3-tetraoxo-1λ<sup>6</sup>,3λ<sup>6</sup>-[1,3]dithian-4-yl)-valeric acid
    —— 5-(1-ethylmercapto-ethylidene)-3-cyclohexyl-2-thioxo-thiazolidin-4-one 100618-03-9 C13H19NOS3
    5-(1-ethylmercapto-ethylidene)-3-cyclohexyl-2-thioxo-thiazolidin-4-one
    —— 5-(tert-butyldimethylsilyloxy)-1-(2-iodophenoxy)pentan-2-one 1235542-32-1 C17H27IO3Si
    5-(tert-butyldimethylsilyloxy)-1-(2-iodophenoxy)pentan-2-one
    —— 5-Morpholino-3-(1-methyl-5-nitro-2-imidazolyl)-1,2,4-oxadiazol 37579-17-2 C10H12N6O4
    5-Morpholino-3-(1-methyl-5-nitro-2-imidazolyl)-1,2,4-oxadiazol
    —— 5-{1-[(1,2,3,4-tetrahydroquinol-2-yl)methyl]indol-4-yl}methyl-2,4-thiazolidinedione 192995-18-9 C22H21N3O2S
    5-{1-[(1,2,3,4-tetrahydroquinol-2-yl)methyl]indol-4-yl}methyl-2,4-thiazolidinedione