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中文名称 英文名称 CAS号 化学式 结构式图片
—— 5,8-dioxa-spiro[3.4]octane-2-carboxylic acid dimethylamide 99063-19-1 C9H15NO3
5,8-dioxa-spiro[3.4]octane-2-carboxylic acid dimethylamide
—— 5-((2-bromo-5-methoxybenzyl)(ethyl)amino)-1,3-dimethylpyrimidine-4(1H,3H)-dione 1148107-93-0 C16H20BrN3O3
5-((2-bromo-5-methoxybenzyl)(ethyl)amino)-1,3-dimethylpyrimidine-4(1H,3H)-dione
—— (5R)-3-[(1S)-1-hydroxy-2-methylpropyl]-5-{[(1R,2S,5R)-2-isopropyl-5-methylcyclohexyl]oxy}-4-methylfuran-2(5H)-one 333383-56-5 C19H32O4
(5R)-3-[(1S)-1-hydroxy-2-methylpropyl]-5-{[(1R,2S,5R)-2-isopropyl-5-methylcyclohexyl]oxy}-4-methylfuran-2(5H)-one
—— 5-(2-methoxy-2'-methylbiphenyl-4-yl)-3-(2-methoxyphenyl)-1,2,4-oxadiazole 1140461-36-4 C23H20N2O3
5-(2-methoxy-2'-methylbiphenyl-4-yl)-3-(2-methoxyphenyl)-1,2,4-oxadiazole
—— (5,6-dioxo-2,3,5,6-tetrahydronaphtho[1,2-b][1,4]oxathiin-2-yl)methyl isopropylcarbamate 1145871-86-8 C17H17NO5S
(5,6-dioxo-2,3,5,6-tetrahydronaphtho[1,2-b][1,4]oxathiin-2-yl)methyl isopropylcarbamate
—— 5-(2,3-dihydroxy-propionylamino)-N-(2,3-dihydroxy-propyl)-N'-(5-{3-[(2,3-dihydroxy-propyl)-methyl-carbamoyl]-5-(2,3-dihydroxy-propionylamino)-2,4,6-triiodo-benzoylamino}-pentyl)-2,4,6-triiodo-N-methyl-isophthalamide 1143450-79-6 C35H44I6N6O14
5-(2,3-dihydroxy-propionylamino)-N-(2,3-dihydroxy-propyl)-N'-(5-{3-[(2,3-dihydroxy-propyl)-methyl-carbamoyl]-5-(2,3-dihydroxy-propionylamino)-2,4,6-triiodo-benzoylamino}-pentyl)-2,4,6-triiodo-N-methyl-isophthalamide
—— 5'-O-benzyl-2'-deoxy-3-N-(p-methoxybenzyl)-3'-oxohydantocidin 130607-49-7 C22H22N2O6
5'-O-benzyl-2'-deoxy-3-N-(p-methoxybenzyl)-3'-oxohydantocidin
—— 5-(2-aminopyrimidin-5-yl)-7-morpholino-N-(4-morpholinophenyl)thiazolo[5,4-d]pyrimidin-2-amine 1137277-99-6 C23H25N9O2S
5-(2-aminopyrimidin-5-yl)-7-morpholino-N-(4-morpholinophenyl)thiazolo[5,4-d]pyrimidin-2-amine
—— 5a-carba-3-O-(β-D-glucopyranosyl)-β-L-glucopyranose octaacetate 134525-86-3 C29H40O18
5a-carba-3-O-(β-D-glucopyranosyl)-β-L-glucopyranose octaacetate
—— 5-Chlor-S-(methyl-2,3,4-tri-O-acetyl-β-D-glucuronopyranosyl)-2-thiouracil 78187-50-5 C17H19ClN2O10S
5-Chlor-S-(methyl-2,3,4-tri-O-acetyl-β-D-glucuronopyranosyl)-2-thiouracil
—— 5-[9-(1-cyclopentyl(4-piperidyl))-2-morpholin-4-ylpurin-6-yl]pyrimidine-2-ylamine 1204411-77-7 C23H31N9O
5-[9-(1-cyclopentyl(4-piperidyl))-2-morpholin-4-ylpurin-6-yl]pyrimidine-2-ylamine
—— 5-Chlor-3-phenacylidenphthalimidin 69643-99-8 C16H10ClNO2
5-Chlor-3-phenacylidenphthalimidin
—— 5-cyano-N-[(2,6-dimethylphenyl)methyl]benzotriazole-1-carboxamide 934702-84-8 C17H15N5O
5-cyano-N-[(2,6-dimethylphenyl)methyl]benzotriazole-1-carboxamide
—— 5-[2-[[(6-benzothiazolyl)sulfonyl]amino]-5-chlorophenyl]-4-pentynoic acid methyl ester 927963-26-6 C19H15ClN2O4S2
5-[2-[[(6-benzothiazolyl)sulfonyl]amino]-5-chlorophenyl]-4-pentynoic acid methyl ester
—— 5,5-dimethyl-1-(3,3-dimethylbutyl)-3-(1-ethoxy-1-oxo-1,4-dihydro-7-methanesulfonyl-amino-1-benzo[1,2,4]phosphadiazin-3-yl)-4-hydroxy-1,5-dihydropyrrol-2-one 1162665-94-2 C22H33N4O6PS
5,5-dimethyl-1-(3,3-dimethylbutyl)-3-(1-ethoxy-1-oxo-1,4-dihydro-7-methanesulfonyl-amino-1-benzo[1,2,4]phosphadiazin-3-yl)-4-hydroxy-1,5-dihydropyrrol-2-one
—— 5,17-di-tert-butyl-11,23-diphthalimido-25,27-bis[(ethoxycarbonyl)methoxy]-26,28-bis(pentyloxy)calix[4]arene 790675-86-4 C70H78N2O12
5,17-di-tert-butyl-11,23-diphthalimido-25,27-bis[(ethoxycarbonyl)methoxy]-26,28-bis(pentyloxy)calix[4]arene
—— 5-heneicosyl-9-hydroxy-2,3-dihydro-furo[3,2-<i>g</i>]chromen-7-one 103268-17-3 C32H50O4
5-heneicosyl-9-hydroxy-2,3-dihydro-furo[3,2-<i>g</i>]chromen-7-one
—— (5-oxo-2-thioxo-imidazolidin-1-yl)-acetic acid methyl ester 116956-06-0 C6H8N2O3S
(5-oxo-2-thioxo-imidazolidin-1-yl)-acetic acid methyl ester
—— 5-(3-Chlorophenyl)-4-((2,5-dimethoxybenzylidene)amino)-4H-1,2,4-triazole-3-thiol 478254-77-2 C17H15ClN4O2S
5-(3-Chlorophenyl)-4-((2,5-dimethoxybenzylidene)amino)-4H-1,2,4-triazole-3-thiol
—— 5,8-Dihydrodicyclohepta<c,e>pyridazin 86428-06-0 C14H12N2
5,8-Dihydrodicyclohepta<c,e>pyridazin
—— 5-acetyl-1-(phenylsulfonyl)-1H-indole-2-propanoic acid methyl ester 927960-95-0 C20H19NO5S
5-acetyl-1-(phenylsulfonyl)-1H-indole-2-propanoic acid methyl ester
—— 5-Brom-8,9-diaza-3-oxa-cis-tricyclo-deca-5,8-dien-6,7-dicarbonsaeuredimethylester 61238-12-8 C11H11BrN2O5
5-Brom-8,9-diaza-3-oxa-cis-tricyclo-deca-5,8-dien-6,7-dicarbonsaeuredimethylester
—— 5'-benzyl-12'-hydroxy-2'-isopropyl-5',6'-didehydro-9,10-dihydro-ergotamane-18,3'-dione 64080-25-7 C35H41N5O4
5'-benzyl-12'-hydroxy-2'-isopropyl-5',6'-didehydro-9,10-dihydro-ergotamane-18,3'-dione
—— 5-phenyl-3-<i>p</i>-tolyl-4-(4-<i>p</i>-tolylsulfamoyl-phenylazo)-pyrazole-1-carboxylic acid anilide 65234-17-5 C36H30N6O3S
5-phenyl-3-<i>p</i>-tolyl-4-(4-<i>p</i>-tolylsulfamoyl-phenylazo)-pyrazole-1-carboxylic acid anilide
—— 5-chloro-3-(2-methylsulfanyl-phenyl)-[1,2,4]triazolo[3,4-<i>a</i>]isoquinoline 27319-93-3 C17H12ClN3S
5-chloro-3-(2-methylsulfanyl-phenyl)-[1,2,4]triazolo[3,4-<i>a</i>]isoquinoline
—— 5-Acetoxy-pent-2-en-4-on-1-al1-Semicarbazon 64649-82-7 C8H11N3O4
5-Acetoxy-pent-2-en-4-on-1-al1-Semicarbazon
—— 5-Methyl-2-phenyl-4-((E)-3-phenyl-1,1-di-p-tolyl-allyl)-2,4-dihydro-pyrazol-3-one 69548-14-7 C33H30N2O
5-Methyl-2-phenyl-4-((E)-3-phenyl-1,1-di-p-tolyl-allyl)-2,4-dihydro-pyrazol-3-one
—— 5Z,9-Decadienenitrile 80685-80-9 C10H15N
5Z,9-Decadienenitrile
—— 5,6-di-(2-furyl)-3H-4H-4-imino-2-methylfuro[2,3-d]pyrimidine-3-amino 325142-69-6 C15H12N4O3
5,6-di-(2-furyl)-3H-4H-4-imino-2-methylfuro[2,3-d]pyrimidine-3-amino
—— (5R,6E,8S,9S,10R,13R,14S,17R)-6-hydroxyimino-10,13-dimethyl-17-[(2R)-6-methylheptan-2-yl]-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-5-ol 73746-14-2 C27H47NO2
(5R,6E,8S,9S,10R,13R,14S,17R)-6-hydroxyimino-10,13-dimethyl-17-[(2R)-6-methylheptan-2-yl]-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-5-ol
—— 5-{1-[3-(4-methoxymethoxy-phenyl)-4-phenyl-isoxazol-5-yl]-cyclopropylmethyl}-1H-tetrazole 942618-07-7 C22H21N5O3
5-{1-[3-(4-methoxymethoxy-phenyl)-4-phenyl-isoxazol-5-yl]-cyclopropylmethyl}-1H-tetrazole
—— 5-Amino-2-(4-methoxy-phenoxymethyl)-2,3-dihydro-oxazolo[3,2-a]pyrimidin-7-one 886439-94-7 C14H15N3O4
5-Amino-2-(4-methoxy-phenoxymethyl)-2,3-dihydro-oxazolo[3,2-a]pyrimidin-7-one
—— 5-isopropyl-5,8,8,14,14,17,17,23,23-nonamethyl-11,11,20,20-tetra(methyl-13C)-3,6,9,12,15,18,21-heptaoxo-1-phenyl-2-oxa-4,7,10,13,16,19,22-heptaazatetracosan-24-oic acid 1273555-61-5 C38H61N7O10
5-isopropyl-5,8,8,14,14,17,17,23,23-nonamethyl-11,11,20,20-tetra(methyl-13C)-3,6,9,12,15,18,21-heptaoxo-1-phenyl-2-oxa-4,7,10,13,16,19,22-heptaazatetracosan-24-oic acid
—— 5,6,7,8-Tetrahydro-2-methyl-4H-furo<3,2-c>azepin 50615-17-3 C9H13NO
5,6,7,8-Tetrahydro-2-methyl-4H-furo<3,2-c>azepin
—— 5-ethyl-1,2,3,3a,8,8a-hexahydro-cyclopent[<i>a</i>]indene 109161-69-5 C14H18
5-ethyl-1,2,3,3a,8,8a-hexahydro-cyclopent[<i>a</i>]indene
—— 5-bromo-4-methyl-2-(2-nitro-benzenesulfinyl)-phenol 108752-46-1 C13H10BrNO4S
5-bromo-4-methyl-2-(2-nitro-benzenesulfinyl)-phenol
—— 5-O-(cyclopropylmethyl) 3-O-propyl 4-(2,3-dichlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate 96918-82-0 C22H25Cl2NO4
5-O-(cyclopropylmethyl) 3-O-propyl 4-(2,3-dichlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate
—— 5-(tert-butyl)-N-(1-phenylpropyl)-N-(4-(trifluoromethyl)phenyl)benzo[d][1,3,2]dioxaborol-2-amine 219143-65-4 C26H27BF3NO2
5-(tert-butyl)-N-(1-phenylpropyl)-N-(4-(trifluoromethyl)phenyl)benzo[d][1,3,2]dioxaborol-2-amine
—— 5-(1-adamantyl)-4-benzylideneamino-2-(4-ethoxycarbonyl-1-piperidylmethyl)-1,2,4-triazole-3-thione 1224600-91-2 C28H37N5O2S
5-(1-adamantyl)-4-benzylideneamino-2-(4-ethoxycarbonyl-1-piperidylmethyl)-1,2,4-triazole-3-thione
—— 5-chloroacetyl(methyl)amino-2,4,6-triiodoisophthaloyl chloride 77203-14-6 C11H5Cl3I3NO3
5-chloroacetyl(methyl)amino-2,4,6-triiodoisophthaloyl chloride
—— 5-(4-ethoxycarbonyl-2-oxo-butyl)-3,4-dimethyl-pyrrole-2-carboxylic acid ethyl ester 65553-42-6 C16H23NO5
5-(4-ethoxycarbonyl-2-oxo-butyl)-3,4-dimethyl-pyrrole-2-carboxylic acid ethyl ester
—— 5-ethyl-5-(6-<sup>18</sup>F-fluorohexyl)-2-thioxodihydropyrimidine-4,6(1H,5H)-dione 1427731-06-3 C12H19FN2O2S
5-ethyl-5-(6-<sup>18</sup>F-fluorohexyl)-2-thioxodihydropyrimidine-4,6(1H,5H)-dione
—— 5-acetyl-8-bromo-2,6-methano-2-phenyl-3-methyl-4-oxo-2,3,4,5-tetrahydro-6H-1,3-benzoxazocine 80467-56-7 C20H18BrNO3
5-acetyl-8-bromo-2,6-methano-2-phenyl-3-methyl-4-oxo-2,3,4,5-tetrahydro-6H-1,3-benzoxazocine
—— 5-(4-benzyloxy-3-methoxy-benzyl)-6-methyl-[1,3]dioxolo[4,5-<i>g</i>]isoquinolinium; iodide 53811-61-3 C26H24NO4*I
5-(4-benzyloxy-3-methoxy-benzyl)-6-methyl-[1,3]dioxolo[4,5-<i>g</i>]isoquinolinium; iodide
—— 5,6,7,8-tetrachloro-(4a<i>t</i>,8a<i>t</i>)-1,2,3,4,4a,5,8,8a-octahydro-1<i>r</i>,4;5<i>t</i>,8-dimethano-naphthalene 71221-13-1 C12H12Cl4
5,6,7,8-tetrachloro-(4a<i>t</i>,8a<i>t</i>)-1,2,3,4,4a,5,8,8a-octahydro-1<i>r</i>,4;5<i>t</i>,8-dimethano-naphthalene
—— 5-[4-(nonanoyl)-3,4-dihydro-2H-1,4-benzoxazin-6-ylmethylene]-2-thioxo-thiazolidin-4-one 719310-00-6 C21H26N2O3S2
5-[4-(nonanoyl)-3,4-dihydro-2H-1,4-benzoxazin-6-ylmethylene]-2-thioxo-thiazolidin-4-one
—— 5-(4-pyridyl)-N-[2-(4-pyridyl)ethyl]imidazo[2,1-b][1,3,4]thiadiazol-2-amine 1206205-61-9 C16H14N6S
5-(4-pyridyl)-N-[2-(4-pyridyl)ethyl]imidazo[2,1-b][1,3,4]thiadiazol-2-amine
—— [5-(2-chlorophenyl)imidazo[2,1-b][1,3,4]thiadiazol-2-yl]furan-2-ylmethylamine 1206202-51-8 C15H11ClN4OS
[5-(2-chlorophenyl)imidazo[2,1-b][1,3,4]thiadiazol-2-yl]furan-2-ylmethylamine
—— 5-iodo-1H-indazole-3-carboxylic acid quinolin-3-ylamide 660823-28-9 C17H11IN4O
5-iodo-1H-indazole-3-carboxylic acid quinolin-3-ylamide
—— 5,5-dimethyl-2-(prop-2-ynyl)-cyclohex-2-enone 144626-39-1 C11H14O
5,5-dimethyl-2-(prop-2-ynyl)-cyclohex-2-enone