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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5α-pregn-9(11)-ene-3,20-dione 111464-63-2 C21H30O2
    5α-pregn-9(11)-ene-3,20-dione
    —— 5-morpholino-3,3-diphenyl-pentan-2-one 102597-29-5 C21H25NO2
    5-morpholino-3,3-diphenyl-pentan-2-one
    —— 5,8-Dibromonaphtho[2,3-c]furan-1,3-dione 42523-61-5 C12H4Br2O3
    5,8-Dibromonaphtho[2,3-c]furan-1,3-dione
    —— 5-(1-hydroxynaphthalen-2-yl)-10-mercaptonaphtho[2,1-g]pteridin-8-ol 1311158-33-4 C24H14N4O2S
    5-(1-hydroxynaphthalen-2-yl)-10-mercaptonaphtho[2,1-g]pteridin-8-ol
    —— 5-N,N-diethylamino-2,2'-bithiophene 109549-00-0 C12H15NS2
    5-N,N-diethylamino-2,2'-bithiophene
    —— 5-(2-hydroxynaphthalen-1-yl)-10-mercaptonaphtho[2,1-g]pteridin-8-ol 1311158-27-6 C24H14N4O2S
    5-(2-hydroxynaphthalen-1-yl)-10-mercaptonaphtho[2,1-g]pteridin-8-ol
    —— 5-Bromo-2-hexyloxybenzoic acid 62176-19-6 C13H17BrO3
    5-Bromo-2-hexyloxybenzoic acid
    —— 5-butyl-2-phenylpyridine 100907-37-7 C15H17N
    5-butyl-2-phenylpyridine
    —— 5-Bromobenz<a>anthracene-7,12-dione 62452-69-1 C18H9BrO2
    5-Bromobenz<a>anthracene-7,12-dione
    —— 5-(Butoxymethyl)-3-propyloxolan-2-one 62668-42-2 C12H22O3
    5-(Butoxymethyl)-3-propyloxolan-2-one
    —— 5-(Butoxymethyl)-3,3-dimethyloxolan-2-one 54550-86-6 C11H20O3
    5-(Butoxymethyl)-3,3-dimethyloxolan-2-one
    —— 5-amino-3-[4-[5-amino-2,4-dioxo-6-[[(2S,3S,4R)-2,3,4,5-tetrahydroxypentyl]amino]-1H-pyrimidin-3-yl]butyl]-6-[[(2S,3S,4R)-2,3,4,5-tetrahydroxypentyl]amino]-1H-pyrimidine-2,4-dione 1054658-38-6 C22H38N8O12
    5-amino-3-[4-[5-amino-2,4-dioxo-6-[[(2S,3S,4R)-2,3,4,5-tetrahydroxypentyl]amino]-1H-pyrimidin-3-yl]butyl]-6-[[(2S,3S,4R)-2,3,4,5-tetrahydroxypentyl]amino]-1H-pyrimidine-2,4-dione
    —— 5,6,11,11,12,12-hexamethyl-11,12-dihydroindeno[2,1-a]fluorene 1197732-46-9 C26H26
    5,6,11,11,12,12-hexamethyl-11,12-dihydroindeno[2,1-a]fluorene
    —— 5-(3-Triphenylen-2-ylphenyl)-[1]benzofuro[3,2-c]carbazole 1357066-16-0 C42H25NO
    5-(3-Triphenylen-2-ylphenyl)-[1]benzofuro[3,2-c]carbazole
    —— 5-(3-furan-2-yl-propionyl)-2,4-dimethoxy-benzoic acid 62435-19-2 C16H16O6
    5-(3-furan-2-yl-propionyl)-2,4-dimethoxy-benzoic acid
    —— 5-(4-Chlorophenyl)-1-methyl-3-phenyl-1H-pyrazol-4-ol 60627-93-2 C16H13ClN2O
    5-(4-Chlorophenyl)-1-methyl-3-phenyl-1H-pyrazol-4-ol
    —— 5-(4-ethyl-2-methylthiazol-5-yl)-pyridin-2-ylamine 1393709-60-8 C11H13N3S
    5-(4-ethyl-2-methylthiazol-5-yl)-pyridin-2-ylamine
    —— 5-pent-1-ynylthiophen-2-ylboronic acid 145349-59-3 C9H11BO2S
    5-pent-1-ynylthiophen-2-ylboronic acid
    —— 5-bromo-2-[(E)-3-methyl-2-propenyl-benzoylamino]-indan-2-carboxylic acid 1092445-78-7 C21H20BrNO3
    5-bromo-2-[(E)-3-methyl-2-propenyl-benzoylamino]-indan-2-carboxylic acid
    —— 5-methyl-3,4-dimethoxycarbonylisocoumarin 1421754-27-9 C14H12O6
    5-methyl-3,4-dimethoxycarbonylisocoumarin
    —— 5-beta‐chol‐2‐en‐24‐oic acid 42737-20-2 C24H38O2
    5-beta‐chol‐2‐en‐24‐oic acid
    —— 5'-deoxy-5-fluoro-N4-(4-chlorophenyloxycarbonyl)cytidine-2',3'-carbonate 1394845-09-0 C17H13ClFN3O7
    5'-deoxy-5-fluoro-N4-(4-chlorophenyloxycarbonyl)cytidine-2',3'-carbonate
    —— 5-(Butoxymethyl)-3-butyloxolan-2-one 62668-45-5 C13H24O3
    5-(Butoxymethyl)-3-butyloxolan-2-one
    —— 5,7-bis(2,3,5,6,8,9,11,12-octahydrobenzo[b][1,4,7,10,13]pentaoxacyclopentadecin-15-yl)-2,3-dihydrothieno[3,4-b][1,4]dioxine 1313877-85-8 C34H42O12S
    5,7-bis(2,3,5,6,8,9,11,12-octahydrobenzo[b][1,4,7,10,13]pentaoxacyclopentadecin-15-yl)-2,3-dihydrothieno[3,4-b][1,4]dioxine
    —— 5-[methoxy(3,4,5-trimethoxyphenyl)methyl]-6-[1,3]dioxolan-2-ylbenzo[1,3]dioxole 1379669-24-5 C21H24O8
    5-[methoxy(3,4,5-trimethoxyphenyl)methyl]-6-[1,3]dioxolan-2-ylbenzo[1,3]dioxole
    —— 5-benzoyl-6-hydroxy-indane-1-carboxylic acid nitrile 68549-23-5 C17H13NO2
    5-benzoyl-6-hydroxy-indane-1-carboxylic acid nitrile
    —— [5-Chloro-2-(4,6-dimethoxypyrimidin-2-yl)oxyphenyl]-(4-chlorophenyl)methanone 1059685-93-6 C19H14Cl2N2O4
    [5-Chloro-2-(4,6-dimethoxypyrimidin-2-yl)oxyphenyl]-(4-chlorophenyl)methanone
    —— 5-bromo-3-methyl-naphtho[1,2-<i>b</i>]thiophene-2-carbaldehyde 62615-31-0 C14H9BrOS
    5-bromo-3-methyl-naphtho[1,2-<i>b</i>]thiophene-2-carbaldehyde
    —— 5,7-dioxo(4H,6H)-1,3-dithiolo<4,5-d>pyrimidine-2-selenone 144339-77-5 C5H2N2O2S2Se
    5,7-dioxo(4H,6H)-1,3-dithiolo<4,5-d>pyrimidine-2-selenone
    —— 5-amino-3-butyl-1-phenylpyrazole 66734-27-8 C13H17N3
    5-amino-3-butyl-1-phenylpyrazole
    —— 5-bromo-4-phenyl-thiazole-2-carboxylic acid ethyl ester 1253201-95-4 C12H10BrNO2S
    5-bromo-4-phenyl-thiazole-2-carboxylic acid ethyl ester
    —— 5-(4-methoxyphenyl)-3-(4-phenylphenyl)-4,5-dihydro-1H-pyrazole 1017240-37-7 C22H20N2O
    5-(4-methoxyphenyl)-3-(4-phenylphenyl)-4,5-dihydro-1H-pyrazole
    —— 5'-deoxy-5-fluoro-N4-(4-chlorophenyloxycarbonyl)cytidine 1394845-05-6 C16H15ClFN3O6
    5'-deoxy-5-fluoro-N4-(4-chlorophenyloxycarbonyl)cytidine
    —— 5,5,6-trimethyl-2,2-diphenyl-7-thioxo-1,6-diaza-5λ<sup>5</sup>-phospha-bicyclo[3.2.0]hept-3-ene-3,4-dicarboxylic acid dimethyl ester 66633-76-9 C23H25N2O4PS
    5,5,6-trimethyl-2,2-diphenyl-7-thioxo-1,6-diaza-5λ<sup>5</sup>-phospha-bicyclo[3.2.0]hept-3-ene-3,4-dicarboxylic acid dimethyl ester
    —— 5,6-(methylenedioxy)benzocyclobutenol 144493-72-1 C9H8O3
    5,6-(methylenedioxy)benzocyclobutenol
    —— 5-<(3-Carboxy-3-phenyl)propanoyl>-2,4-dimethoxybenzoesaeure 62435-23-8 C19H18O7
    5-<(3-Carboxy-3-phenyl)propanoyl>-2,4-dimethoxybenzoesaeure
    —— 5-Chloro-3-methyl-2,3-dihydro-1-benzofuran-3-ol 88112-04-3 C9H9ClO2
    5-Chloro-3-methyl-2,3-dihydro-1-benzofuran-3-ol
    —— 5-Acetyl-2,3-dimethylnaphtho<1,2-b>thiophen 62615-44-5 C16H14OS
    5-Acetyl-2,3-dimethylnaphtho<1,2-b>thiophen
    —— 5,5',8,8'-Tetramethoxy-6,6'-dimethyl-2,2'-binaphthyl-1,4:1',4'-dichinon 104505-94-4 C26H22O8
    5,5',8,8'-Tetramethoxy-6,6'-dimethyl-2,2'-binaphthyl-1,4:1',4'-dichinon
    —— 5,6,7-trimethoxyisoquinolin-1-yl trifluoromethanesulfonate 1255204-69-3 C13H12F3NO6S
    5,6,7-trimethoxyisoquinolin-1-yl trifluoromethanesulfonate
    —— 5-Brom-2-methylnaphtho<1,2-b>thiophen 62615-38-7 C13H9BrS
    5-Brom-2-methylnaphtho<1,2-b>thiophen
    —— 5-(Butoxymethyl)-3-methyloxolan-2-one 62668-38-6 C10H18O3
    5-(Butoxymethyl)-3-methyloxolan-2-one
    —— 5,5,7,7-Tetramethyl-2,2-diphenyl-6-oxa-1-aza-5λ<sup>5</sup>-phosphabicyclo<3.2.0>hept-3-en-3,4-dicarbonsaeure-dimethylester 65138-45-6 C24H28NO5P
    5,5,7,7-Tetramethyl-2,2-diphenyl-6-oxa-1-aza-5λ<sup>5</sup>-phosphabicyclo<3.2.0>hept-3-en-3,4-dicarbonsaeure-dimethylester
    —— 5-imino-8-methyl-2,3,5,6,7,8-hexahydroimidazo<1,2-a>pyrimidinium iodide 99646-01-2 C7H12N4*HI
    5-imino-8-methyl-2,3,5,6,7,8-hexahydroimidazo<1,2-a>pyrimidinium iodide
    —— 5-(2-(6-bromopyridin-2-ylamino)thiazol-5-ylthio)-N-(2-cyanoethyl)-N,2-dimethylbenzamide 1012060-85-3 C20H18BrN5OS2
    5-(2-(6-bromopyridin-2-ylamino)thiazol-5-ylthio)-N-(2-cyanoethyl)-N,2-dimethylbenzamide
    —— 5-{[(Prop-2-en-1-yl)oxy]methyl}oxolan-2-one 62668-34-2 C8H12O3
    5-{[(Prop-2-en-1-yl)oxy]methyl}oxolan-2-one
    —— 5,8-Dithiafulvalen-1,4-chinon 62576-00-5 C8H4O2S2
    5,8-Dithiafulvalen-1,4-chinon
    —— 5,17-dicyano-25,26,27,28-tetrakis-(N,N-diethylamino-carbonylmethoxy)-calix[4]aren 415942-13-1 C54H66N6O8
    5,17-dicyano-25,26,27,28-tetrakis-(N,N-diethylamino-carbonylmethoxy)-calix[4]aren
    —— (5R)-5-(2-methoxyethoxymethoxymethyl)-5,6-dihydro-[1,3]dithiolo[4,5-b][1,4]dithiine-2-thione 199927-76-9 C10H14O3S5
    (5R)-5-(2-methoxyethoxymethoxymethyl)-5,6-dihydro-[1,3]dithiolo[4,5-b][1,4]dithiine-2-thione
    —— 5-[(4-Methoxyphenyl)methoxymethyl]-6-prop-2-enyl-1,3-benzodioxole 462085-14-9 C19H20O4
    5-[(4-Methoxyphenyl)methoxymethyl]-6-prop-2-enyl-1,3-benzodioxole