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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-(phenylbenzylideneamino)-2,4-diaminopyrimidine 139541-60-9 C17H15N5
    5-(phenylbenzylideneamino)-2,4-diaminopyrimidine
    —— 5-chloro-3-[({[1-(2-chloro-1,1-dimethylethyl)prop-2-ynyl]oxy}dithio)oxy]-4,4-dimethylpent-1-yne 1319722-57-0 C14H20Cl2O2S2
    5-chloro-3-[({[1-(2-chloro-1,1-dimethylethyl)prop-2-ynyl]oxy}dithio)oxy]-4,4-dimethylpent-1-yne
    —— 5-chloro-1,3-dimethoxy-2-(trifluoromethyl)benzene 1422444-44-7 C9H8ClF3O2
    5-chloro-1,3-dimethoxy-2-(trifluoromethyl)benzene
    —— 5-(4-((1-(5-ethylpyrimidin-2-yl)piperidin-4-yl)methoxy)-3,5-difluorophenyl)picolinamide 1204129-60-1 C24H25F2N5O2
    5-(4-((1-(5-ethylpyrimidin-2-yl)piperidin-4-yl)methoxy)-3,5-difluorophenyl)picolinamide
    —— 5''-cyano-N-[(5,6-dimethoxypyridin-2-yl)methyl]-2,2':5',3''-terpyridine-3'-carboxamide 1207253-17-5 C25H20N6O3
    5''-cyano-N-[(5,6-dimethoxypyridin-2-yl)methyl]-2,2':5',3''-terpyridine-3'-carboxamide
    —— 5-<1-Acetyl-2-(naphth-2-ylamino)-vinyl>-1H-tetrazol (Z-Form) 135057-30-6 C21H17N5O
    5-<1-Acetyl-2-(naphth-2-ylamino)-vinyl>-1H-tetrazol (Z-Form)
    —— 5-(tert-butyl)-3'-chloro-3-isopropyl-[1,1'-biphenyl]-2-carbaldehyde 1365943-58-3 C20H23ClO
    5-(tert-butyl)-3'-chloro-3-isopropyl-[1,1'-biphenyl]-2-carbaldehyde
    —— 5-Ethyl-8-oxo-3-piperazin-1-yl-5,8-dihydro-pyrido[2,3-e][1,2,4]triazine-7-carboxylic acid; hydrochloride 75824-55-4 C13H16N6O3*ClH
    5-Ethyl-8-oxo-3-piperazin-1-yl-5,8-dihydro-pyrido[2,3-e][1,2,4]triazine-7-carboxylic acid; hydrochloride
    —— 5-[bis-(toluene-4-sulfonyl)-amino]-thiophene-2-carboxylic acid ethyl ester 67998-26-9 C21H21NO6S3
    5-[bis-(toluene-4-sulfonyl)-amino]-thiophene-2-carboxylic acid ethyl ester
    —— 5-phenyl-3-(2,4,6-trimethylphenyl)-1,2-oxazole-4-carbaldehyde 288404-20-6 C19H17NO2
    5-phenyl-3-(2,4,6-trimethylphenyl)-1,2-oxazole-4-carbaldehyde
    —— 5-bromo-1-methyl-diphenyl-silyl-2-(phenyl-sulfenyl)-pentan-1-one 282733-20-4 C24H25BrOSSi
    5-bromo-1-methyl-diphenyl-silyl-2-(phenyl-sulfenyl)-pentan-1-one
    —— 5-Chloro-5-(5-methoxycarbonyl-pentanoyl)-2,2-dimethyl-4,6-dioxo-cyclohexanecarboxylic acid methyl ester 138972-29-9 C17H23ClO7
    5-Chloro-5-(5-methoxycarbonyl-pentanoyl)-2,2-dimethyl-4,6-dioxo-cyclohexanecarboxylic acid methyl ester
    —— 5-((2-benzoyl-3-methyl-5-oxo-5H-furo[3,2-g]chromen-6-yl)methylene)pyrimidine-2,4,6(1H,3H,5H)-trione 1318186-24-1 C24H14N2O7
    5-((2-benzoyl-3-methyl-5-oxo-5H-furo[3,2-g]chromen-6-yl)methylene)pyrimidine-2,4,6(1H,3H,5H)-trione
    —— 5,9-Dimethoxy-8-methyl-2,3-bis-(4-piperidin-1-ylmethyl-phenyl)-thieno[2,3-g]quinoxaline-7-carboxylic acid diethylamide 127692-47-1 C42H51N5O3S
    5,9-Dimethoxy-8-methyl-2,3-bis-(4-piperidin-1-ylmethyl-phenyl)-thieno[2,3-g]quinoxaline-7-carboxylic acid diethylamide
    —— 5-bromomethyl-3-nitroso-2-oxazolidone 79624-34-3 C4H5ClN2O3
    5-bromomethyl-3-nitroso-2-oxazolidone
    —— (5S,6R)-ethyl 6-acetoxy-9-methyl-1-oxo-7-oxaspiro[4.5]dec-8-ene-8-carboxylate 1362169-70-7 C15H20O6
    (5S,6R)-ethyl 6-acetoxy-9-methyl-1-oxo-7-oxaspiro[4.5]dec-8-ene-8-carboxylate
    —— 5-[3-(4-methoxyphenoxy)propylamino]-2-propan-2-yl-2-(3,4,5-trimethoxyphenyl)pentanenitrile 103524-62-5 C27H38N2O5
    5-[3-(4-methoxyphenoxy)propylamino]-2-propan-2-yl-2-(3,4,5-trimethoxyphenyl)pentanenitrile
    —— (5-(tert-Butyl)pyridin-3-yl)methanamine 1211589-99-9 C10H16N2
    (5-(tert-Butyl)pyridin-3-yl)methanamine
    —— 5-bromo-2-isoamyl-2-ethoxycarbonyl-4-pentanolide 149990-65-8 C13H21BrO4
    5-bromo-2-isoamyl-2-ethoxycarbonyl-4-pentanolide
    —— (5Z,5′E)-5,5′-(perfluoro-7,10-phenylene)bis(methan-1-yl-1-ylidene)diimidazolidine-2,4-dione 1617504-90-1 C14H6F4N4O4
    (5Z,5′E)-5,5′-(perfluoro-7,10-phenylene)bis(methan-1-yl-1-ylidene)diimidazolidine-2,4-dione
    —— 5-Methyl-2-phenyl-4,5,6,7-tetrahydro-thiazol<5,4-c>pyridin 96635-29-9 C13H14N2S
    5-Methyl-2-phenyl-4,5,6,7-tetrahydro-thiazol<5,4-c>pyridin
    —— 5-benzyloximethyl-7,8-dihydro-[1,3]dioxolo[4,5-g]isoquinoline 729551-98-8 C18H17NO3
    5-benzyloximethyl-7,8-dihydro-[1,3]dioxolo[4,5-g]isoquinoline
    —— 5-{{6-[2-(1H-tetrazol-5-yl)phenyl]pyridin-3-yl}methyl}-6-bu tyl-2-cyclopropyl-3-(5-methoxypyrimidin-2-yl)pyrimidin-4(3H )-one 1283715-12-7 C29H29N9O2
    5-{{6-[2-(1H-tetrazol-5-yl)phenyl]pyridin-3-yl}methyl}-6-bu tyl-2-cyclopropyl-3-(5-methoxypyrimidin-2-yl)pyrimidin-4(3H )-one
    —— 5-chloro-thiophene-2-carboxylic acid [(S)-2-[2-chloro-3-(2-oxo-piperidin-1-yl)-benzenesulfonylamino]-3-(4-cyclopropyl-piperazin-1-yl)-3-oxo-propyl]-amide trifluoroacetate 1184299-23-7 C26H31Cl2N5O5S2
    5-chloro-thiophene-2-carboxylic acid [(S)-2-[2-chloro-3-(2-oxo-piperidin-1-yl)-benzenesulfonylamino]-3-(4-cyclopropyl-piperazin-1-yl)-3-oxo-propyl]-amide trifluoroacetate
    —— (5S)-5-[[(1R,2R,5R)-2-(3-hydroxyprop-1-en-2-yl)-5-methylcyclopentyl]methyl]-5-methyl-2-propan-2-ylcyclopentene-1-carbaldehyde 110990-57-3 C20H32O2
    (5S)-5-[[(1R,2R,5R)-2-(3-hydroxyprop-1-en-2-yl)-5-methylcyclopentyl]methyl]-5-methyl-2-propan-2-ylcyclopentene-1-carbaldehyde
    —— 5-fluoro-2-methoxy-N-(5-propyl-[1,3,4]thiadiazol-2-yl)-benzenesulfonamide 67475-26-7 C12H14FN3O3S2
    5-fluoro-2-methoxy-N-(5-propyl-[1,3,4]thiadiazol-2-yl)-benzenesulfonamide
    —— [5-(4-methoxy-phenyl)-3-thioxo-2,3-dihydro-3λ<sup>5</sup>-[1,3]oxaphosphol-3-yl]-methanol 38033-11-3 C11H13O3PS
    [5-(4-methoxy-phenyl)-3-thioxo-2,3-dihydro-3λ<sup>5</sup>-[1,3]oxaphosphol-3-yl]-methanol
    —— (+/-)-5-endo-Acetoxymethyl-2-exo-methylsulfonyloxy-3-exo-p-toluenesulfonamido-7-oxabicyclo<2.2.1>heptane 140901-74-2 C17H23NO8S2
    (+/-)-5-endo-Acetoxymethyl-2-exo-methylsulfonyloxy-3-exo-p-toluenesulfonamido-7-oxabicyclo<2.2.1>heptane
    —— 5-(3-amino-benzenesulfonyl)-3-methyl-isothiazol-4-ylamine 31803-44-8 C10H11N3O2S2
    5-(3-amino-benzenesulfonyl)-3-methyl-isothiazol-4-ylamine
    —— 5-acetoxy-4-benzoyloxy-2,6,6-trimethyl-2-cyclohepten-1-one 149897-70-1 C19H22O5
    5-acetoxy-4-benzoyloxy-2,6,6-trimethyl-2-cyclohepten-1-one
    —— 5-(1H-indol-2-yl)-N.N-dimethyl-1H-tetrazole-1-carboxamide 1188418-98-5 C12H12N6O
    5-(1H-indol-2-yl)-N.N-dimethyl-1H-tetrazole-1-carboxamide
    —— 5-bromo-N-[3-methoxy-5-(trifluoromethyl)phenyl]-4-(methylsulfonyl)pyrimidin-2-amine 1220417-53-7 C13H11BrF3N3O3S
    5-bromo-N-[3-methoxy-5-(trifluoromethyl)phenyl]-4-(methylsulfonyl)pyrimidin-2-amine
    —— 5-butyl-2-(1',1',1',3',3',3'-hexafluoro-2'-hydroxypropan-2'-yl)-7,8-dimethoxy-phenanthridin-6(5H)-one 1318981-44-0 C22H21F6NO4
    5-butyl-2-(1',1',1',3',3',3'-hexafluoro-2'-hydroxypropan-2'-yl)-7,8-dimethoxy-phenanthridin-6(5H)-one
    —— 5-acetylamino-oxazole-4-carboxylic acid acetyl-methyl-amide 27433-45-0 C9H11N3O4
    5-acetylamino-oxazole-4-carboxylic acid acetyl-methyl-amide
    —— 5-hydroxy-3-nitro-7-pentyl-coumarin 1310720-38-7 C14H15NO5
    5-hydroxy-3-nitro-7-pentyl-coumarin
    —— 5-methyl-6-butylsulfonyl-9-thiabicyclo<4.3.01,6>-3-nonene S,S-dioxide 91456-70-1 C13H22O4S2
    5-methyl-6-butylsulfonyl-9-thiabicyclo<4.3.01,6>-3-nonene S,S-dioxide
    —— 5-chloro-N2-[(1S)-(5-fluoropyridin-2-yl)ethyl]-N4-(1-methyl-1H-imidazol-4-yl)pyrimidine-2,4-diamine 1208892-50-5 C15H15ClFN7
    5-chloro-N2-[(1S)-(5-fluoropyridin-2-yl)ethyl]-N4-(1-methyl-1H-imidazol-4-yl)pyrimidine-2,4-diamine
    —— 5-chloro-4-({5-chloro-6-[2,2,2-trifluoro-1-(trifluoromethyl)ethoxy]pyridin-3-yl}oxy)-2-fluoro-N-(methylsulfonyl)benzamide 1355064-42-4 C16H9Cl2F7N2O5S
    5-chloro-4-({5-chloro-6-[2,2,2-trifluoro-1-(trifluoromethyl)ethoxy]pyridin-3-yl}oxy)-2-fluoro-N-(methylsulfonyl)benzamide
    —— 5-Nitro-6-(2-nitrobenzyl)-uracil 66127-32-0 C11H8N4O6
    5-Nitro-6-(2-nitrobenzyl)-uracil
    —— 5,6α-Epoxy-A-nor-5α-cholestan-3-on 65981-13-7 C26H42O2
    5,6α-Epoxy-A-nor-5α-cholestan-3-on
    —— 5-(Butylaminomethylidene)-2-sulfanylidene-1,3-diazinane-4,6-dione 5305-26-0 C9H13N3O2S
    5-(Butylaminomethylidene)-2-sulfanylidene-1,3-diazinane-4,6-dione
    —— 5-butylsulfanylmethyl-1,3-bis-(4-chloro-benzenesulfonyl)-5-phenyl-imidazolidine-2,4-dione 66501-83-5 C26H24Cl2N2O6S3
    5-butylsulfanylmethyl-1,3-bis-(4-chloro-benzenesulfonyl)-5-phenyl-imidazolidine-2,4-dione
    —— 5-ethyl-10-(2',6'-dimethylphenyl)-3-methyl-1,5-dihydroisoalloxazine 76030-63-2 C21H22N4O2
    5-ethyl-10-(2',6'-dimethylphenyl)-3-methyl-1,5-dihydroisoalloxazine
    —— 5,7-dimethyl-2-ethoxy-4-phenyl-1,2λ5-benzoxaphosphinine 2-oxide 1571900-46-3 C18H19O3P
    5,7-dimethyl-2-ethoxy-4-phenyl-1,2λ5-benzoxaphosphinine 2-oxide
    —— (5R,6Z)-6-[(1-methyl-4,5,6,7-tetrahydro-1H-4,7-methanoindazol-3-yl)methylidene]-7-oxo-4-thia-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid 1350294-87-9 C16H15N3O3S
    (5R,6Z)-6-[(1-methyl-4,5,6,7-tetrahydro-1H-4,7-methanoindazol-3-yl)methylidene]-7-oxo-4-thia-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid
    —— (5-{(S)-2-tert-Butoxycarbonylamino-2-[1-(3-carbamoyl-4-cyclohexylmethoxy-phenyl)-1-methyl-ethylcarbamoyl]-ethyl}-2-hydroxy-phenyl)-phosphonic acid diethyl ester 805238-65-7 C35H52N3O9P
    (5-{(S)-2-tert-Butoxycarbonylamino-2-[1-(3-carbamoyl-4-cyclohexylmethoxy-phenyl)-1-methyl-ethylcarbamoyl]-ethyl}-2-hydroxy-phenyl)-phosphonic acid diethyl ester
    —— [5-(2-Methyl-pyridin-3-yl)-[1,3,4]oxadiazol-2-yl]-quinolin-3-yl-amine 883556-85-2 C17H13N5O
    [5-(2-Methyl-pyridin-3-yl)-[1,3,4]oxadiazol-2-yl]-quinolin-3-yl-amine
    —— 5,6-di-O-acetyl-1,4-bis-O-(di-O-benzylphospho)-D-myo-inositol 281206-69-7 C38H42O14P2
    5,6-di-O-acetyl-1,4-bis-O-(di-O-benzylphospho)-D-myo-inositol
    —— [(5R)-5-[tert-butyl(diphenyl)silyl]oxy-1-[(4S,5S)-2,2-dimethyl-5-prop-2-enyl-1,3-dioxolan-4-yl]hex-2-ynyl] benzoate 1248707-71-2 C37H44O5Si
    [(5R)-5-[tert-butyl(diphenyl)silyl]oxy-1-[(4S,5S)-2,2-dimethyl-5-prop-2-enyl-1,3-dioxolan-4-yl]hex-2-ynyl] benzoate
    —— 5,5-dimethyl-(3a<i>r</i>,7a<i>t</i>)-hexahydro-benzooxazol-2-one 57365-77-2 C9H15NO2
    5,5-dimethyl-(3a<i>r</i>,7a<i>t</i>)-hexahydro-benzooxazol-2-one