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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-Bromo-2-(piperidin-3-yl)pyridine dihydrochloride 2680540-19-4 C10H15BrCl2N2
    5-Bromo-2-(piperidin-3-yl)pyridine dihydrochloride
    —— 5-(5-(6,7-dimethoxy-1-phenyl-3,4-dihydroisoquinolin-2(1H)-yl)pentyl)-3-hydroxypicolinaldehyde oxime 1414937-04-4 C28H33N3O4
    5-(5-(6,7-dimethoxy-1-phenyl-3,4-dihydroisoquinolin-2(1H)-yl)pentyl)-3-hydroxypicolinaldehyde oxime
    —— (5,5-Dioxo-4,5-dihydro-5λ<sup>6</sup>-[1,2,5]oxadiazolo[3,4-c][1,2,6]thiadiazin-7-yl)-methyl-amine 71674-85-6 C4H5N5O3S
    (5,5-Dioxo-4,5-dihydro-5λ<sup>6</sup>-[1,2,5]oxadiazolo[3,4-c][1,2,6]thiadiazin-7-yl)-methyl-amine
    —— 5-ethyl-N-[(Z)-(3-iodophenyl)methylideneamino]-[1,2,4]triazino[5,6-b]indol-3-amine 5305-32-8 C18H15IN6
    5-ethyl-N-[(Z)-(3-iodophenyl)methylideneamino]-[1,2,4]triazino[5,6-b]indol-3-amine
    —— 5-(2-chloro-4-nitrophenoxy)-1,2-dimethyl-1H-benzo[d]imidazole 1033810-46-6 C15H12ClN3O3
    5-(2-chloro-4-nitrophenoxy)-1,2-dimethyl-1H-benzo[d]imidazole
    —— 5,8-Dimethyl-6-<4'-(3'-nitropyridyl)-amino>-isochinolin 70946-72-4 C16H14N4O2
    5,8-Dimethyl-6-<4'-(3'-nitropyridyl)-amino>-isochinolin
    —— 5-ethyl-5-(3-chloro-but-2-enyl)-barbituric acid 103324-46-5 C10H13ClN2O3
    5-ethyl-5-(3-chloro-but-2-enyl)-barbituric acid
    —— 5β-pregnene-(9(11))-trione-(3.12.20) 18267-01-1 C21H28O3
    5β-pregnene-(9(11))-trione-(3.12.20)
    —— 5-(3-bromophenyl)-5-cyclopropylimidazolidine-2,4-dione 1370656-88-4 C12H11BrN2O2
    5-(3-bromophenyl)-5-cyclopropylimidazolidine-2,4-dione
    —— [5-Methyl-5-(2-methylprop-1-enyl)-6-oxa-15,22-diazapentacyclo[12.8.0.02,7.08,13.016,21]docosa-1(22),2(7),8,10,12,14,16(21),17,19-nonaen-19-yl]-phenylmethanone 1383954-02-6 C31H26N2O2
    [5-Methyl-5-(2-methylprop-1-enyl)-6-oxa-15,22-diazapentacyclo[12.8.0.02,7.08,13.016,21]docosa-1(22),2(7),8,10,12,14,16(21),17,19-nonaen-19-yl]-phenylmethanone
    —— 5-(4-chloro-benzylidene)-3-methyl-6-methylamino-5<i>H</i>-pyrimidine-2,4-dione 69083-21-2 C13H12ClN3O2
    5-(4-chloro-benzylidene)-3-methyl-6-methylamino-5<i>H</i>-pyrimidine-2,4-dione
    —— 5-ethyl-1(3)<i>H</i>-benzoimidazole 72571-44-9 C39H39N4Sb
    5-ethyl-1(3)<i>H</i>-benzoimidazole
    —— 5-Benzyl-1-(2,4-dinitrophenyl)-pyrazol-3-carbonsaeure-pentylester 66736-94-5 C22H22N4O6
    5-Benzyl-1-(2,4-dinitrophenyl)-pyrazol-3-carbonsaeure-pentylester
    —— (5R,10R,13S,17S)-17-[(S)-1-(4,5-Dimethyl-6-oxo-3,6-dihydro-2H-pyran-2-yl)-1-hydroxy-ethyl]-5,17-dihydroxy-10,13-dimethyl-5,7,8,9,10,11,12,13,16,17-decahydro-4H-cyclopenta[a]phenanthrene-1,6-dione 63115-61-7 C28H36O7
    (5R,10R,13S,17S)-17-[(S)-1-(4,5-Dimethyl-6-oxo-3,6-dihydro-2H-pyran-2-yl)-1-hydroxy-ethyl]-5,17-dihydroxy-10,13-dimethyl-5,7,8,9,10,11,12,13,16,17-decahydro-4H-cyclopenta[a]phenanthrene-1,6-dione
    —— (5R,6R)-6-((3S,5S,8R,9S,10S,13S,14S,17S)-3-Hydroxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl)-2-methyl-heptane-1,5,6-triol 63518-21-8 C27H48O4
    (5R,6R)-6-((3S,5S,8R,9S,10S,13S,14S,17S)-3-Hydroxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl)-2-methyl-heptane-1,5,6-triol
    —— 5-Bromoacetyl-1-cyclohexyl-uracil 67042-66-4 C12H15BrN2O3
    5-Bromoacetyl-1-cyclohexyl-uracil
    —— 5-Propylthiouridin 71106-91-7 C12H18N2O6S
    5-Propylthiouridin
    —— 5-Butyl-7,8-dimethoxy-1-methyl-1,5-dihydro-imidazo[4,5-c]quinolin-4-one 143923-84-6 C17H21N3O3
    5-Butyl-7,8-dimethoxy-1-methyl-1,5-dihydro-imidazo[4,5-c]quinolin-4-one
    —— 5,8-Dimethoxy-12,15-bis(dimethylamino)<2.2>paracyclophan-4,7-dicarbonitril 345242-57-1 C24H28N4O2
    5,8-Dimethoxy-12,15-bis(dimethylamino)<2.2>paracyclophan-4,7-dicarbonitril
    —— 5-(4-(((R)-4-(2-fluoro-5-methoxyphenyl)-2,3-dihydro-1H-inden-1-yl)oxy)phenyl)-3-hydroxyisothiazole 1-oxide 1404227-08-2 C25H20FNO4S
    5-(4-(((R)-4-(2-fluoro-5-methoxyphenyl)-2,3-dihydro-1H-inden-1-yl)oxy)phenyl)-3-hydroxyisothiazole 1-oxide
    —— 5-tert-butyl 7a-methyl octahydro-1H-pyrrolo[3,4-c]pyridine-5,7a-dicarboxylate 2680536-91-6 C14H24N2O4
    5-tert-butyl 7a-methyl octahydro-1H-pyrrolo[3,4-c]pyridine-5,7a-dicarboxylate
    —— 5-Methylspiro[2.3]hexan-5-amine hydrochloride 2763780-66-9 C7H14ClN
    5-Methylspiro[2.3]hexan-5-amine hydrochloride
    —— 5lambda6-Thia-6-azaspiro[3.4]octane-5,5-dione 2680534-23-8 C6H11NO2S
    5lambda6-Thia-6-azaspiro[3.4]octane-5,5-dione
    —— 5-O-tert-butyldimethylsilyl-4'-(R)-O-[(imidazol-1-yl)carbonyl] avermectin B1b monosaccharide 847189-92-8 C50H74N2O12Si
    5-O-tert-butyldimethylsilyl-4'-(R)-O-[(imidazol-1-yl)carbonyl] avermectin B1b monosaccharide
    —— 5-methyl-1-[(1R,2R,5R,7R,8S)-8-phenylmethoxy-2-(phenylmethoxyamino)-5-(phenylmethoxymethyl)-6-oxabicyclo[3.2.1]octan-7-yl]pyrimidine-2,4-dione 1254203-67-2 C34H37N3O6
    5-methyl-1-[(1R,2R,5R,7R,8S)-8-phenylmethoxy-2-(phenylmethoxyamino)-5-(phenylmethoxymethyl)-6-oxabicyclo[3.2.1]octan-7-yl]pyrimidine-2,4-dione
    —— 5-phenyl-N-[(5-phenyl-1,3,4-thiadiazol-2-yl)diazenyl]-1,3,4-thiadiazol-2-amine 75822-80-9 C16H11N7S2
    5-phenyl-N-[(5-phenyl-1,3,4-thiadiazol-2-yl)diazenyl]-1,3,4-thiadiazol-2-amine
    —— (5S)-N-[(1S,2R)-3-[[4-(aminophenyl)sulfonyl](2-methylpropyl)amino]-2-hydroxy-1-(phenylmethyl)propyl]-3-(4-fluorophenyl)-2-oxooxazolidine-5-carboxamide 1066874-02-9 C30H35FN4O6S
    (5S)-N-[(1S,2R)-3-[[4-(aminophenyl)sulfonyl](2-methylpropyl)amino]-2-hydroxy-1-(phenylmethyl)propyl]-3-(4-fluorophenyl)-2-oxooxazolidine-5-carboxamide
    —— 5-methyl-7-phenyl-2-(4-(trifluoromethyl)phenyl)thiazolo[5,4-d]pyrimidine 1385059-45-9 C19H12F3N3S
    5-methyl-7-phenyl-2-(4-(trifluoromethyl)phenyl)thiazolo[5,4-d]pyrimidine
    —— (5,6-Dimethoxy-benzotriazol-2-yl)-acetic acid ethyl ester 194863-24-6 C12H15N3O4
    (5,6-Dimethoxy-benzotriazol-2-yl)-acetic acid ethyl ester
    —— (5S)-4-hydroxy-5-isopropyl-1-t-butoxycarbonylpyrrol-2(5H)-one 112700-40-0 C12H19NO4
    (5S)-4-hydroxy-5-isopropyl-1-t-butoxycarbonylpyrrol-2(5H)-one
    —— 5'-[(<i>N</i>-benzyloxycarbonyl-phenylalanyl)-amino]-<i>O</i><sup>2'</sup>,<i>O</i><sup>3'</sup>-isopropylidene-5'-deoxy-guanosine 31616-46-3 C30H33N7O7
    5'-[(<i>N</i>-benzyloxycarbonyl-phenylalanyl)-amino]-<i>O</i><sup>2'</sup>,<i>O</i><sup>3'</sup>-isopropylidene-5'-deoxy-guanosine
    —— 5-Propoxy-2-sulfo-benzoic acid methyl ester 65397-70-8 C11H14O6S
    5-Propoxy-2-sulfo-benzoic acid methyl ester
    —— 5-bromo-2,3-dimethoxy-N-(piperidin-4-yl)benzamide 153198-08-4 C14H19BrN2O3
    5-bromo-2,3-dimethoxy-N-(piperidin-4-yl)benzamide
    —— 5-methyl-N-(benzyloxycarbonyl)-2-azabicyclo[2.2.0]hex-5-ene 104704-56-5 C14H15NO2
    5-methyl-N-(benzyloxycarbonyl)-2-azabicyclo[2.2.0]hex-5-ene
    —— 5-acetyl-1,5-dihydro-3-methyllumiflavin 26257-55-6 C16H18N4O3
    5-acetyl-1,5-dihydro-3-methyllumiflavin
    —— 5'-methoxy-2',3'-dihydrospiro[cyclohexa[2,5]diene-1,1'-inden]-4-one 1309570-87-3 C15H14O2
    5'-methoxy-2',3'-dihydrospiro[cyclohexa[2,5]diene-1,1'-inden]-4-one
    —— 5-phenyl-[1,3,4]oxadiazol-2-ylamine; perchlorate 50735-19-8 C8H7N3O*ClHO4
    5-phenyl-[1,3,4]oxadiazol-2-ylamine; perchlorate
    —— 5-((3-aminophenyl)sulfonamido)pentanoic acid hydrochloride 1093799-11-1 C11H16N2O4S*ClH
    5-((3-aminophenyl)sulfonamido)pentanoic acid hydrochloride
    —— 5-heptylidene-pyrimidine-2,4,6-trione 71934-34-4 C11H16N2O3
    5-heptylidene-pyrimidine-2,4,6-trione
    —— 5,5'-((2,2'-(ethane-1,2-diylbis(oxy))bis(acetyl))bis(azanediyl))bis(2,4,6-triiodo-3-((3-methoxy-1-(methylamino)-1-oxopropan-2-yl)carbamoyl)benzoic acid) 60667-10-9 C32H34I6N6O14
    5,5'-((2,2'-(ethane-1,2-diylbis(oxy))bis(acetyl))bis(azanediyl))bis(2,4,6-triiodo-3-((3-methoxy-1-(methylamino)-1-oxopropan-2-yl)carbamoyl)benzoic acid)
    —— 5-(2-chlorophenyl)-7-methoxy-1,3-dihydro-2H-benzo[e][1,4]diazepine-2-thione 1255209-52-9 C16H13ClN2OS
    5-(2-chlorophenyl)-7-methoxy-1,3-dihydro-2H-benzo[e][1,4]diazepine-2-thione
    —— 5-[1-(3-trifluoromethyl-phenyl)-ethanesulfinyl]-pyridine-2-carboxylic acid 64215-22-1 C15H12F3NO3S
    5-[1-(3-trifluoromethyl-phenyl)-ethanesulfinyl]-pyridine-2-carboxylic acid
    —— 5-methyl-3-[4-(trifluoromethyl)phenyl]-4,5-dihydro-1,2-oxazole 1639785-82-2 C11H10F3NO
    5-methyl-3-[4-(trifluoromethyl)phenyl]-4,5-dihydro-1,2-oxazole
    —— 5-<3-<4-<3-(5-cyclopropyl-1,2,4-oxadiazolyl)>-2,6-dimethylphenoxy>propyl>-3-isoxazolol 153168-38-8 C19H21N3O4
    5-<3-<4-<3-(5-cyclopropyl-1,2,4-oxadiazolyl)>-2,6-dimethylphenoxy>propyl>-3-isoxazolol
    —— 5-cyano-4-(4-chlorophenyl)-6-methylpyridine-2-carboxylic 1253519-07-1 C14H9ClN2O2
    5-cyano-4-(4-chlorophenyl)-6-methylpyridine-2-carboxylic
    —— 5-Thiazolecarboxamide, 4-methyl-N-[[4a(2)-(1-pyrrolidinylmethyl)[1,1a(2)-biphenyl]-2-yl]methyl]- 1388603-95-9 C23H25N3OS
    5-Thiazolecarboxamide, 4-methyl-N-[[4a(2)-(1-pyrrolidinylmethyl)[1,1a(2)-biphenyl]-2-yl]methyl]-
    —— 5-(1H-indol-3-yl)-3-(4-chlorophenyl)-4,5-dihydroisoxazoline 69022-93-1 C17H13ClN2O
    5-(1H-indol-3-yl)-3-(4-chlorophenyl)-4,5-dihydroisoxazoline
    —— 5-[5-(4-bromophenyl)-4,5-dihydro-1H-pyrazol-3-yl]-N-(4-chlorophenyl)-4-methyl-1,3-thiazol-2-amine 112833-83-7 C19H16BrClN4S
    5-[5-(4-bromophenyl)-4,5-dihydro-1H-pyrazol-3-yl]-N-(4-chlorophenyl)-4-methyl-1,3-thiazol-2-amine
    —— (5-methyl-2-oxo-1,3-dioxol-4-yl)methyl exo-(1R,5S)-3-[4-((5S)-5-{[(difluoroacetyl)amino]methyl}-2-oxo-1,3-oxazolidin-3-yl)-2,6-difluorophenyl]-3-azabicyclo[3.1.0]hexane-6-carboxylate 681424-47-5 C23H21F4N3O8
    (5-methyl-2-oxo-1,3-dioxol-4-yl)methyl exo-(1R,5S)-3-[4-((5S)-5-{[(difluoroacetyl)amino]methyl}-2-oxo-1,3-oxazolidin-3-yl)-2,6-difluorophenyl]-3-azabicyclo[3.1.0]hexane-6-carboxylate
    —— (5R,6S)-3-(1-Allyloxycarbonyl-piperidin-4-yl)-6-[(R)-1-(tert-butyl-dimethyl-silanyloxy)-ethyl]-7-oxo-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid allyl ester 132946-83-9 C27H42N2O6Si
    (5R,6S)-3-(1-Allyloxycarbonyl-piperidin-4-yl)-6-[(R)-1-(tert-butyl-dimethyl-silanyloxy)-ethyl]-7-oxo-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid allyl ester