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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5,6,7,8-tetrahydro-pyrido[2,1-<i>e</i>]acridine-1,2,3,4-tetracarboxylic acid tetramethyl ester 34043-69-1 C25H25NO8
    5,6,7,8-tetrahydro-pyrido[2,1-<i>e</i>]acridine-1,2,3,4-tetracarboxylic acid tetramethyl ester
    —— 5-Hydroxy-2-oxo-3-phenyl-2,3-dihydro-1H-naphth<1.2-d>imidazol 29540-92-9 C17H12N2O2
    5-Hydroxy-2-oxo-3-phenyl-2,3-dihydro-1H-naphth<1.2-d>imidazol
    —— 5,6-Dihydro-7H-benzo<c>carbazol-10-carbonsaeure-dimethylaminoethylester 38075-33-1 C21H22N2O2
    5,6-Dihydro-7H-benzo<c>carbazol-10-carbonsaeure-dimethylaminoethylester
    —— 5,5'-dimethoxy-1,1'-dimethyl-1H,1'H-2,3'-biindol-3-yl acetate 1201825-49-1 C22H22N2O4
    5,5'-dimethoxy-1,1'-dimethyl-1H,1'H-2,3'-biindol-3-yl acetate
    —— 5-(1H-benzimidazol-2-yl)-7-iodoisoindolinone 1021343-56-5 C15H10IN3O
    5-(1H-benzimidazol-2-yl)-7-iodoisoindolinone
    —— 5,5-difluoro-2-phenyl-1,2,3,5-tetrahydrobenzo[e]pyrrolo[1,2-c][1,3,2]oxazaborinin-4-ium-5-uide 1620973-99-0 C16H14BF2NO
    5,5-difluoro-2-phenyl-1,2,3,5-tetrahydrobenzo[e]pyrrolo[1,2-c][1,3,2]oxazaborinin-4-ium-5-uide
    —— 5-(4-chlorophenyl)-2,4-dihydro-1H-thiopyrano[3,4-c]naphtho[2,3-f]quinoline 1395102-00-7 C26H18ClNS
    5-(4-chlorophenyl)-2,4-dihydro-1H-thiopyrano[3,4-c]naphtho[2,3-f]quinoline
    —— 5,5'-bi(5-ethyl-2,7-di-tert-butyl-4-oxa-2,6-cycloheptadienone) 69901-46-8 C32H50O4
    5,5'-bi(5-ethyl-2,7-di-tert-butyl-4-oxa-2,6-cycloheptadienone)
    —— 5-Hydroxy-5H-dibenzo[a,d]cycloheptene-5-carboxylic acid 16309-35-6 C16H12O3
    5-Hydroxy-5H-dibenzo[a,d]cycloheptene-5-carboxylic acid
    —— 5-Acetamido-2-acetyl-1,3-indandion 25125-09-1 C13H11NO4
    5-Acetamido-2-acetyl-1,3-indandion
    —— 5-(1-Methyl-2-phenyl)-ethyl-2-pyrrolidone 29540-67-8 C13H17NO
    5-(1-Methyl-2-phenyl)-ethyl-2-pyrrolidone
    —— 5-(4-Bromo-phenylamino)-3-hydroxy-2-methyl-2H-indazole-4,7-dione 93338-14-8 C14H10BrN3O3
    5-(4-Bromo-phenylamino)-3-hydroxy-2-methyl-2H-indazole-4,7-dione
    —— 5,6,6'-tris(tert-butylthio)-2',3'-dicyano-1,5'-bicalicene 104464-01-9 C30H32N2S3
    5,6,6'-tris(tert-butylthio)-2',3'-dicyano-1,5'-bicalicene
    —— 5-[3-(4-methoxytrityloxy)propoxy]-1,3-phenylenebis(methyleneoxyphthalimide) 1220043-14-0 C47H38N2O9
    5-[3-(4-methoxytrityloxy)propoxy]-1,3-phenylenebis(methyleneoxyphthalimide)
    —— [(5-acetylspiro[1-benzofuran-2,1'-cyclopropane]-3-ylidene)amino] N-methylcarbamate 95449-93-7 C14H14N2O4
    [(5-acetylspiro[1-benzofuran-2,1'-cyclopropane]-3-ylidene)amino] N-methylcarbamate
    —— 5-[O-(2l,3l,4l,6l-tetra-O-acetyl-β-D-galactopyranosyl)oxymethyl]-5-[N-(uracil-6-carboximido)]-2,2-dimethyl-1,3-dioxane 1400872-59-4 C26H35N3O15
    5-[O-(2l,3l,4l,6l-tetra-O-acetyl-β-D-galactopyranosyl)oxymethyl]-5-[N-(uracil-6-carboximido)]-2,2-dimethyl-1,3-dioxane
    —— [5']guanylic acid mono-cyclohexylamide 120209-61-2 C16H25N6O7P
    [5']guanylic acid mono-cyclohexylamide
    —— 5-((E)-4-Iodo-3-methyl-but-3-ene-1-sulfonyl)-1-phenyl-1H-tetrazole 871316-22-2 C12H13IN4O2S
    5-((E)-4-Iodo-3-methyl-but-3-ene-1-sulfonyl)-1-phenyl-1H-tetrazole
    —— (5-({2-[({4-[1-(2-hydroxyethyl)piperidin-4-yl]phenyl}carbonyl)amino]pyridin-4-yl}oxy)-6-(2-methoxyethoxy)-N-methyl-1H-indole-1-carboxamide) butanedioate (2:3) 1879965-80-6 C4H6O4*C32H37N5O6
    (5-({2-[({4-[1-(2-hydroxyethyl)piperidin-4-yl]phenyl}carbonyl)amino]pyridin-4-yl}oxy)-6-(2-methoxyethoxy)-N-methyl-1H-indole-1-carboxamide) butanedioate (2:3)
    —— 5-(3-Nitro-phenylazo)-4-thioxo-thiazolidin-2-one 36480-04-3 C9H6N4O3S2
    5-(3-Nitro-phenylazo)-4-thioxo-thiazolidin-2-one
    —— 5-Hydroxy-1-methyl-pyrido<3,2-a>phenazin 21872-85-5 C16H11N3O
    5-Hydroxy-1-methyl-pyrido<3,2-a>phenazin
    —— 5-Benzoyl-1-cyclohexyl-3-N-(p-methyl-benzolsulfonyl)-4-(m-nitro-phenyl)-2-phenyl-imidazolidin 24467-02-5 C35H35N3O5S
    5-Benzoyl-1-cyclohexyl-3-N-(p-methyl-benzolsulfonyl)-4-(m-nitro-phenyl)-2-phenyl-imidazolidin
    —— 5-(p-Methyl-benzoyl)-1-cyclohexyl-3-N-(p-nitro-benzolsulfonyl)-4-(m-nitro-phenyl)-2-phenyl-imidazolidin 24427-10-9 C35H34N4O7S
    5-(p-Methyl-benzoyl)-1-cyclohexyl-3-N-(p-nitro-benzolsulfonyl)-4-(m-nitro-phenyl)-2-phenyl-imidazolidin
    —— 5,5,5-Trichloro-4-isopropoxymethoxy-pent-1-yne 26901-87-1 C9H13Cl3O2
    5,5,5-Trichloro-4-isopropoxymethoxy-pent-1-yne
    —— 5,5'-dimethyl-2,2'-diphenyl-1,2,2',4'-tetrahydro-4,4'-(1-methyl-prop-1-en-1-yl-3-ylidene)-bis-pyrazol-3-one 27908-89-0 C24H22N4O2
    5,5'-dimethyl-2,2'-diphenyl-1,2,2',4'-tetrahydro-4,4'-(1-methyl-prop-1-en-1-yl-3-ylidene)-bis-pyrazol-3-one
    —— 5-tert-butylfuranacetic acid 222554-03-2 C10H14O3
    5-tert-butylfuranacetic acid
    —— 5-Methyl-naphtho[1,2-c][1,2]dithiol-3-one oxime 35051-27-5 C12H9NOS2
    5-Methyl-naphtho[1,2-c][1,2]dithiol-3-one oxime
    —— 5-methoxymethoxy-2-methyl-pent-3-yn-2-ol 38384-15-5 C8H14O3
    5-methoxymethoxy-2-methyl-pent-3-yn-2-ol
    —— 5-Nitro-1-mesitylbenzimidazol 34734-26-4 C16H15N3O2
    5-Nitro-1-mesitylbenzimidazol
    —— (5-{1-Methyl-1-[5-(thiophene-2-carbonyl)-thiophen-2-yl]-ethyl}-thiophen-2-yl)-thiophen-2-yl-methanone 32948-52-0 C21H16O2S4
    (5-{1-Methyl-1-[5-(thiophene-2-carbonyl)-thiophen-2-yl]-ethyl}-thiophen-2-yl)-thiophen-2-yl-methanone
    —— 5,6-difluoro-5,6-dihydrouracil 59894-43-8 C4H4F2N2O2
    5,6-difluoro-5,6-dihydrouracil
    —— (5Z)-5-[(estradiol-17'α-yl)methylene]furan-2(5H)-one 1115184-39-8 C23H26O4
    (5Z)-5-[(estradiol-17'α-yl)methylene]furan-2(5H)-one
    —— (5α,7β,8β)-7-bromo-4,5-epoxy-3,6,6-trimethoxy-17-methyl-8-[(1E)-2-phenylethenyl]morphinan 903893-79-8 C28H32BrNO4
    (5α,7β,8β)-7-bromo-4,5-epoxy-3,6,6-trimethoxy-17-methyl-8-[(1E)-2-phenylethenyl]morphinan
    —— (5R)-6-[acetoxy-(6,6-dimethyl-5,6,7,8-tetrahydroimidazo[1,2-a]pyridin-2-yl)methyl]-6-bromo-7-oxo-4-thia-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid p-nitrobenzyl ester 916448-10-7 C25H25BrN4O7S
    (5R)-6-[acetoxy-(6,6-dimethyl-5,6,7,8-tetrahydroimidazo[1,2-a]pyridin-2-yl)methyl]-6-bromo-7-oxo-4-thia-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid p-nitrobenzyl ester
    —— 5-(4-benzyloxy-phenyl)-3-methyl-oxazolidin-2-one 93818-04-3 C17H17NO3
    5-(4-benzyloxy-phenyl)-3-methyl-oxazolidin-2-one
    —— (5aR,6S,7S,7aR,10S,12aS,12bR,15R)-2-amino-6,7,15-trihydroxy-5,5-dimethyl-9-methylene-5,5a,6,7,10,11,12,12a-octahydro-4H-7,12b-(epoxymethano)-7a,10-methanocyclohepta[7,8]naphtho[1,2-d]thiazol-8(9H)-one 1443533-61-6 C21H26N2O5S
    (5aR,6S,7S,7aR,10S,12aS,12bR,15R)-2-amino-6,7,15-trihydroxy-5,5-dimethyl-9-methylene-5,5a,6,7,10,11,12,12a-octahydro-4H-7,12b-(epoxymethano)-7a,10-methanocyclohepta[7,8]naphtho[1,2-d]thiazol-8(9H)-one
    —— 5β-pregn-20-en-3α-ol 83638-89-5 C21H34O
    5β-pregn-20-en-3α-ol
    —— 5,6-dihydro-3-s-butyl-4H-1,4-thiazine-2-carbonitrile 81563-06-6 C9H14N2S
    5,6-dihydro-3-s-butyl-4H-1,4-thiazine-2-carbonitrile
    —— 5-[5-[1-(4-Bromo-phenyl)-meth-(Z)-ylidene]-3-{[1-(4-bromo-phenyl)-meth-(E)-ylidene]-amino}-4-oxo-thiazolidin-(2E)-ylideneamino]-3,6-dihydro-[1,3,4]thiadiazin-2-one 30017-98-2 C20H13Br2N5O2S2
    5-[5-[1-(4-Bromo-phenyl)-meth-(Z)-ylidene]-3-{[1-(4-bromo-phenyl)-meth-(E)-ylidene]-amino}-4-oxo-thiazolidin-(2E)-ylideneamino]-3,6-dihydro-[1,3,4]thiadiazin-2-one
    —— 5-Aminotrifluoro-1-pentafluoroanilino-benzotriazol 26888-69-7 C12H3F8N5
    5-Aminotrifluoro-1-pentafluoroanilino-benzotriazol
    —— 5-methoxy-2-methyl-1-phenyl-1<i>H</i>-naphtho[2,3-<i>g</i>]indole-3-carboxylic acid ethyl ester 38445-13-5 C27H23NO3
    5-methoxy-2-methyl-1-phenyl-1<i>H</i>-naphtho[2,3-<i>g</i>]indole-3-carboxylic acid ethyl ester
    —— 5-Carboxy-1-methyl-3-phenylcytosin 37721-22-5 C12H11N3O3
    5-Carboxy-1-methyl-3-phenylcytosin
    —— 5-(5-nitro-furan-2-ylmethyleneamino)-furan-2-carboxylic acid methyl ester 22941-23-7 C11H8N2O6
    5-(5-nitro-furan-2-ylmethyleneamino)-furan-2-carboxylic acid methyl ester
    —— 5-anthracen-9-ylmethylene-3-(4-hydroxy-phenyl)-2-(4-hydroxy-phenylimino)-thiazolidin-4-one 25745-26-0 C30H20N2O3S
    5-anthracen-9-ylmethylene-3-(4-hydroxy-phenyl)-2-(4-hydroxy-phenylimino)-thiazolidin-4-one
    —— 5-trinitromethylazo-1<i>H</i>-[1,2,4]triazole-3-carboxylic acid methyl ester 37644-24-9 C5H4N8O8
    5-trinitromethylazo-1<i>H</i>-[1,2,4]triazole-3-carboxylic acid methyl ester
    —— 5,10-dimethyl-2,12,13,14-tetraphenyl-5,5a,6,9,9a,10-hexahydro-5,10-etheno-6,9-methano-[1,2,4]triazolo[1,2-<i>b</i>]phthalazine-1,3-dione 41610-39-3 C39H33N3O2
    5,10-dimethyl-2,12,13,14-tetraphenyl-5,5a,6,9,9a,10-hexahydro-5,10-etheno-6,9-methano-[1,2,4]triazolo[1,2-<i>b</i>]phthalazine-1,3-dione
    —— (5R,9R)-9-Isopropenyl-6-methyl-1-(toluene-4-sulfonyl)-3-oxa-1-aza-spiro[4.5]dec-6-en-2-one 126450-15-5 C19H23NO4S
    (5R,9R)-9-Isopropenyl-6-methyl-1-(toluene-4-sulfonyl)-3-oxa-1-aza-spiro[4.5]dec-6-en-2-one
    —— [5-(2-fluoro-5-methyl-phenyl)-thiazol-2-yl]-naphthalen-1-yl-amine 78864-17-2 C20H15FN2S
    [5-(2-fluoro-5-methyl-phenyl)-thiazol-2-yl]-naphthalen-1-yl-amine
    —— 5,10'-diacetyl-5',6'-dihydrospiro<benzofuran-2(3H),4'(3'H)-<2H>oxocino<3,2-b>benzofuran>-3-one 94243-45-5 C24H20O6
    5,10'-diacetyl-5',6'-dihydrospiro<benzofuran-2(3H),4'(3'H)-<2H>oxocino<3,2-b>benzofuran>-3-one
    —— {5-[2-(2,6-dichlorophenyl)-vinyl]-3-methyl-isoxazol-4-ylamino}-acetic acid 1443511-61-2 C14H12Cl2N2O3
    {5-[2-(2,6-dichlorophenyl)-vinyl]-3-methyl-isoxazol-4-ylamino}-acetic acid