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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-(1-acetoxy-ethyl)-3-ethyl-dihydro-furan-2-one 27927-65-7 C10H16O4
    5-(1-acetoxy-ethyl)-3-ethyl-dihydro-furan-2-one
    —— 5-(4-isobutoxy-benzyl)-4-methyl-2-methylsulfanyl-6-piperidin-1-yl-pyrimidine 23047-23-6 C22H31N3OS
    5-(4-isobutoxy-benzyl)-4-methyl-2-methylsulfanyl-6-piperidin-1-yl-pyrimidine
    —— 5-hydroxy-7-(3-hydroxy-3-methyl-butyl)-8,9-dimethoxy-2,2-dimethyl-3,4-dihydro-2<i>H</i>-pyrano[3,2-<i>b</i>]xanthen-6-one 26064-04-0 C25H30O7
    5-hydroxy-7-(3-hydroxy-3-methyl-butyl)-8,9-dimethoxy-2,2-dimethyl-3,4-dihydro-2<i>H</i>-pyrano[3,2-<i>b</i>]xanthen-6-one
    —— 5-chloro-1,3-dioxo-6-sulfamoyl-1,3-dihydro-isoindole-2-carboxylic acid ethyl ester 34137-76-3 C11H9ClN2O6S
    5-chloro-1,3-dioxo-6-sulfamoyl-1,3-dihydro-isoindole-2-carboxylic acid ethyl ester
    —— 5-cyclohex-1-enyl-3-[(trans-4-methyl-cyclohexanecarbonyl)-(4-oxo-cyclohexyl)-amino]-thiophene-2-carboxylic acid 914778-88-4 C25H33NO4S
    5-cyclohex-1-enyl-3-[(trans-4-methyl-cyclohexanecarbonyl)-(4-oxo-cyclohexyl)-amino]-thiophene-2-carboxylic acid
    —— 5-[(E)-1-Methyl-2-(3-methyl-benzofuran-2-yl)-vinyl]-1H-pyrazole-3-carboxylic acid ethyl ester 99410-83-0 C18H18N2O3
    5-[(E)-1-Methyl-2-(3-methyl-benzofuran-2-yl)-vinyl]-1H-pyrazole-3-carboxylic acid ethyl ester
    —— 5-(4-bromophenyl)-6-(2-oxo-2-phenylethyl)-2-phenyl-4a,5,6,10b-tetrahydro-4H-benzo[f]isochromen-4-one 1280739-07-2 C33H25BrO3
    5-(4-bromophenyl)-6-(2-oxo-2-phenylethyl)-2-phenyl-4a,5,6,10b-tetrahydro-4H-benzo[f]isochromen-4-one
    —— 5-Bromcyclohexen-4-yl-nitrat 64342-28-5 C6H8BrNO3
    5-Bromcyclohexen-4-yl-nitrat
    —— 5-phenylpent-3-yn-1-yl sulfamate 1123202-61-8 C11H13NO3S
    5-phenylpent-3-yn-1-yl sulfamate
    —— 5,5,8,8,-tetramethyl-3-(oct-1-ynyl)-5,6,7,8-tetrahydronaphthalen-2-ol 1123630-00-1 C22H32O
    5,5,8,8,-tetramethyl-3-(oct-1-ynyl)-5,6,7,8-tetrahydronaphthalen-2-ol
    —— 5-(5-aminothiazolo[5,4-d]pyrimidin-7-yl)-N-(4-methoxyphenyl)-2,5-diazabicyclo-[2.2.1]heptane-2-carboxamide 1435953-21-1 C18H19N7O2S
    5-(5-aminothiazolo[5,4-d]pyrimidin-7-yl)-N-(4-methoxyphenyl)-2,5-diazabicyclo-[2.2.1]heptane-2-carboxamide
    —— 5-Ethoxyspiro[2.3]hexan-1-amine hydrochloride 2094312-44-2 C8H16ClNO
    5-Ethoxyspiro[2.3]hexan-1-amine hydrochloride
    —— 5-chloro-1-(2-chloroethyl)-3-methyl-1H-pyrazole-4-carbaldehyde 2375260-45-8 C7H8Cl2N2O
    5-chloro-1-(2-chloroethyl)-3-methyl-1H-pyrazole-4-carbaldehyde
    —— 5-(2,3-Diphenyl-cycloprop-2-enylidene)-3,7-diiodo-cyclohepta-3,6-diene-1,2-dione 35168-56-0 C22H12I2O2
    5-(2,3-Diphenyl-cycloprop-2-enylidene)-3,7-diiodo-cyclohepta-3,6-diene-1,2-dione
    —— 5-(Naphthalen-2-ylazo)-4-thioxo-thiazolidin-2-one 36480-01-0 C13H9N3OS2
    5-(Naphthalen-2-ylazo)-4-thioxo-thiazolidin-2-one
    —— 5-(4-acetyl-5-methyl-[1,2,3]triazol-1-yl)-3,7-dibromo-tropolone 36002-88-7 C12H9Br2N3O3
    5-(4-acetyl-5-methyl-[1,2,3]triazol-1-yl)-3,7-dibromo-tropolone
    —— 5,6-Dihydro-6-methyl-5-toluol-p-sulfonyl-7-oxo-dibenz<b,d>azepin 19711-95-6 C22H19NO3S
    5,6-Dihydro-6-methyl-5-toluol-p-sulfonyl-7-oxo-dibenz<b,d>azepin
    —— 5-(3-hydroxy-butyl)-1-(4-hydroxy-cyclohexyl)-pyrimidine-2,4,6-trione 22456-07-1 C14H22N2O5
    5-(3-hydroxy-butyl)-1-(4-hydroxy-cyclohexyl)-pyrimidine-2,4,6-trione
    —— 5-Dimethylamino-1-isopropyl-4-methyl-4-phenyl-2-(tosylimino)imidazolidin 77767-61-4 C22H30N4O2S
    5-Dimethylamino-1-isopropyl-4-methyl-4-phenyl-2-(tosylimino)imidazolidin
    —— 5-(3-cyclobutyl-2,3,4,5-tetrahydro-1H-benzo[d]azepin-7-yloxy)-N-methylpyrazine-2-carboxamide 720690-77-7 C20H24N4O2
    5-(3-cyclobutyl-2,3,4,5-tetrahydro-1H-benzo[d]azepin-7-yloxy)-N-methylpyrazine-2-carboxamide
    —— 5-ethoxy-2-(2-ethoxy-ethyl)-valeric acid ethyl ester 854659-07-7 C13H26O4
    5-ethoxy-2-(2-ethoxy-ethyl)-valeric acid ethyl ester
    —— 5-(3-bromopropylidene)-2-OmPEG4-10,11-dihydro-5H-dibenzo[a,d]cycloheptene 1381877-54-8 C27H35BrO5
    5-(3-bromopropylidene)-2-OmPEG4-10,11-dihydro-5H-dibenzo[a,d]cycloheptene
    —— 5,5-Dioxo-2,3,3a,4-tetrahydro-1 H-pyrrolo[2,1-c][1,2,4]benzothiadiazin-7-yl pivalate 393088-60-3 C15H20N2O4S
    5,5-Dioxo-2,3,3a,4-tetrahydro-1 H-pyrrolo[2,1-c][1,2,4]benzothiadiazin-7-yl pivalate
    —— 5-{[2-(4-methoxybenzyl)-6-(4-methylphenyl)imidazo[2,1-b][1,3,4]thiadiazol-5-yl]methylene}-2-thioxoimidazolidin-4-one 1251858-25-9 C23H19N5O2S2
    5-{[2-(4-methoxybenzyl)-6-(4-methylphenyl)imidazo[2,1-b][1,3,4]thiadiazol-5-yl]methylene}-2-thioxoimidazolidin-4-one
    —— 5,17-diamino-25,27-dipropoxy-thiacalix[4]arene-26,28-diol 1079274-45-5 C30H30N2O4S4
    5,17-diamino-25,27-dipropoxy-thiacalix[4]arene-26,28-diol
    —— 5-chloro-N-methyl-N-propyl-isophthalamic acid 869529-25-9 C12H14ClNO3
    5-chloro-N-methyl-N-propyl-isophthalamic acid
    —— [5-(2-chlorophenyl)-4-(4-([(1,1-dimethylethyl)oxy]carbonyl)-1-piperazinyl)-7H-pyrrolo[2,3-d]pyrimidin-7-yl]acetic acid sodium salt 1168106-46-4 C23H25ClN5O4*Na
    [5-(2-chlorophenyl)-4-(4-([(1,1-dimethylethyl)oxy]carbonyl)-1-piperazinyl)-7H-pyrrolo[2,3-d]pyrimidin-7-yl]acetic acid sodium salt
    —— (5aR,7aS)-8-(5-methoxypyridin-3-yl)-5a,7a-dimethyl-4,5,5a,5b,6,7,7a,8,9,10,10a,10b,11,12-tetradecahydrocyclopenta[5,6]naphtho[1,2-d]azepin-2(3H)-one 1382470-49-6 C25H34N2O2
    (5aR,7aS)-8-(5-methoxypyridin-3-yl)-5a,7a-dimethyl-4,5,5a,5b,6,7,7a,8,9,10,10a,10b,11,12-tetradecahydrocyclopenta[5,6]naphtho[1,2-d]azepin-2(3H)-one
    —— 5-Methoxy-chinazolin-3-oxid 21596-05-4 C9H8N2O2
    5-Methoxy-chinazolin-3-oxid
    —— 5-Deoxy-5-<purinyl-(6)-amino>-methyl-β-D-ribofuranosid 14131-80-7 C11H15N5O4
    5-Deoxy-5-<purinyl-(6)-amino>-methyl-β-D-ribofuranosid
    —— 5-(4-aminoethylpiperidinyl)-2-pyrazinecarboxylic acid cyclohexylethylamide 878010-93-6 C20H33N5O
    5-(4-aminoethylpiperidinyl)-2-pyrazinecarboxylic acid cyclohexylethylamide
    —— 5-tert-Butyl-2-thioxo-[1,3,4]oxadiazole-3-carboxylic acid dimethylamide 5306-28-5 C9H15N3O2S
    5-tert-Butyl-2-thioxo-[1,3,4]oxadiazole-3-carboxylic acid dimethylamide
    —— 5-benzyl-1-methyl-1H-imidazole-2-carbaldehyde 2092746-30-8 C12H12N2O
    5-benzyl-1-methyl-1H-imidazole-2-carbaldehyde
    —— 5,6-dimethoxy-3-{2-[4-(3-methoxy-phenyl)-piperazin-1-yl]-ethyl}-2-methyl-indole 96459-70-0 C24H31N3O3
    5,6-dimethoxy-3-{2-[4-(3-methoxy-phenyl)-piperazin-1-yl]-ethyl}-2-methyl-indole
    —— 5,11,17,23-tetrakis(1,1-dimethylethyl)-27,28-bis[N-(methanesulfonyl)carbamoylmethoxy]calix[4]arene-25,26-monothiacrown-3 1075184-73-4 C54H72N2O10S3
    5,11,17,23-tetrakis(1,1-dimethylethyl)-27,28-bis[N-(methanesulfonyl)carbamoylmethoxy]calix[4]arene-25,26-monothiacrown-3
    —— (5-bromomethyl-3-phenyl-tetrahydro-furan-3-yl)-methanol 41921-48-6 C12H15BrO2
    (5-bromomethyl-3-phenyl-tetrahydro-furan-3-yl)-methanol
    —— 5'-(4-methoxy-benzenesulfonyl)-2',6'-dimethyl-1',4'-dihydro-[3,4']bipyridinyl-3'-carboxylic acid methyl ester 65369-19-9 C21H22N2O5S
    5'-(4-methoxy-benzenesulfonyl)-2',6'-dimethyl-1',4'-dihydro-[3,4']bipyridinyl-3'-carboxylic acid methyl ester
    —— [5-(3-dimethylamino-phenoxy)-1(3)<i>H</i>-benzoimidazol-2-yl]-carbamic acid methyl ester 56074-14-7 C17H18N4O3
    [5-(3-dimethylamino-phenoxy)-1(3)<i>H</i>-benzoimidazol-2-yl]-carbamic acid methyl ester
    —— 5-O-acetyl-3-O,4-C-methylene-1,2-O-(1-methylethylidene)-β-L-arabinofuranose 960073-89-6 C11H16O6
    5-O-acetyl-3-O,4-C-methylene-1,2-O-(1-methylethylidene)-β-L-arabinofuranose
    —— 5-[(2,4-Dinitro-phenyl)-hydrazonomethyl]-4-oxo-1-phenyl-1,4-dihydro-pyridazine-3-carboxylic acid ethyl ester 121996-48-3 C20H16N6O7
    5-[(2,4-Dinitro-phenyl)-hydrazonomethyl]-4-oxo-1-phenyl-1,4-dihydro-pyridazine-3-carboxylic acid ethyl ester
    —— 5-desmethyl-7,8-dehydroretinal 91365-74-1 C19H24O
    5-desmethyl-7,8-dehydroretinal
    —— (5R)-5-[(1E)-3-hydroxy-4-phenylbut-1-enyl]-1-{4-[(triisopropylsilyl)thio]butyl]pyrrolidin-2-one 540721-69-5 C27H45NO2SSi
    (5R)-5-[(1E)-3-hydroxy-4-phenylbut-1-enyl]-1-{4-[(triisopropylsilyl)thio]butyl]pyrrolidin-2-one
    —— 5-(3-Methyl-2-oxo-imidazolidin-1-yl)-3-oxo-pentanoic acid ethyl ester 774605-62-8 C11H18N2O4
    5-(3-Methyl-2-oxo-imidazolidin-1-yl)-3-oxo-pentanoic acid ethyl ester
    —— (+/-)-5'-acetamido-3'-acetyl-1,7,7-trimethylspiro<bicyclo<2.2.1>heptane-2,2'(3'H)-<1,3,4>thiadiazole> 663197-88-4 C15H23N3O2S
    (+/-)-5'-acetamido-3'-acetyl-1,7,7-trimethylspiro<bicyclo<2.2.1>heptane-2,2'(3'H)-<1,3,4>thiadiazole>
    —— 5-phenyl-imidazo[2,1-<i>b</i>]thiazol-3-one 91135-49-8 C11H8N2OS
    5-phenyl-imidazo[2,1-<i>b</i>]thiazol-3-one
    —— 5-Hexyl-6-hydroxy-pyrazine-2,3-dicarbonitrile 75063-71-7 C12H14N4O
    5-Hexyl-6-hydroxy-pyrazine-2,3-dicarbonitrile
    —— 5-<(Acetyl)(ethoxycarbonyl)methylenamino>-4,5-dihydro-2,5-dimethyl-4-phenyl-3-furancarbonsaeure-ethylester 91473-88-0 C21H25NO6
    5-<(Acetyl)(ethoxycarbonyl)methylenamino>-4,5-dihydro-2,5-dimethyl-4-phenyl-3-furancarbonsaeure-ethylester
    —— 5,10,15-tris(trifluoromethyl)corrolato rhenium(V)(oxo) 208833-51-6 C22H8F9N4ORe
    5,10,15-tris(trifluoromethyl)corrolato rhenium(V)(oxo)
    —— 5-[1-(4-chlorobenzoyl)-5-methoxy-2-methylindol-3-ylmethyl]-3-piperazinomethyl-1,2,4-oxadiazole 88955-74-2 C25H26ClN5O3
    5-[1-(4-chlorobenzoyl)-5-methoxy-2-methylindol-3-ylmethyl]-3-piperazinomethyl-1,2,4-oxadiazole
    —— 5-amino-2-(2,6-difluorophenyl)-N-(4-((2R,3S,4R)-3,4-dihydroxy-2,3-dimethyl-3,4-dihydro-2H-pyran-6-yl)pyridin-3-yl)pyrimidine-4-carboxamide 1355006-97-1 C23H21F2N5O4
    5-amino-2-(2,6-difluorophenyl)-N-(4-((2R,3S,4R)-3,4-dihydroxy-2,3-dimethyl-3,4-dihydro-2H-pyran-6-yl)pyridin-3-yl)pyrimidine-4-carboxamide