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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5,25:7,10:12,17-triimino-23,19-metheno-19H-dibenzo[f,q][1,2,4,9,15,20]hexaazacycloheneicosine 126139-75-1 C24H15N9
    5,25:7,10:12,17-triimino-23,19-metheno-19H-dibenzo[f,q][1,2,4,9,15,20]hexaazacycloheneicosine
    —— 5-fluoro-2,4-dioxo-3,4-dihydro-2<i>H</i>-pyrimidine-1-carboxylic acid bis-(2-chloro-ethyl)-amide 57332-11-3 C9H10Cl2FN3O3
    5-fluoro-2,4-dioxo-3,4-dihydro-2<i>H</i>-pyrimidine-1-carboxylic acid bis-(2-chloro-ethyl)-amide
    —— 5-ethylamino-1H-pyrrolo[3,2-b]pyridine-3-carboxylic acid (4-methoxy-phenyl)-amide 533910-82-6 C17H18N4O2
    5-ethylamino-1H-pyrrolo[3,2-b]pyridine-3-carboxylic acid (4-methoxy-phenyl)-amide
    —— 5-morpholin-4-yl-2-phenyl-pyrimido[4,5-<i>d</i>]pyridazine 339568-53-5 C16H15N5O
    5-morpholin-4-yl-2-phenyl-pyrimido[4,5-<i>d</i>]pyridazine
    —— 5,5-Dicyano-4-ethyl-4-methylpentansaeure-methylester 54112-41-3 C11H16N2O2
    5,5-Dicyano-4-ethyl-4-methylpentansaeure-methylester
    —— 5-<3-Pyridyl-(2)-propyliden>-barbitursaeure 91397-32-9 C12H11N3O3
    5-<3-Pyridyl-(2)-propyliden>-barbitursaeure
    —— 5-Brom-7-nitro-3-anilino-2-phenyl-chinazolon-(4) 95429-79-1 C20H13BrN4O3
    5-Brom-7-nitro-3-anilino-2-phenyl-chinazolon-(4)
    —— 5-Nitro-furancarbonsaeure-(2)-<2.2-bis-(2-hydroxyethyl)-hydrazid> 91329-01-0 C9H13N3O6
    5-Nitro-furancarbonsaeure-(2)-<2.2-bis-(2-hydroxyethyl)-hydrazid>
    —— 5-(α.α-Bis-ethoxycarbonyl-acetyl)-thiophen 2018-31-7 C16H16O5S
    5-(α.α-Bis-ethoxycarbonyl-acetyl)-thiophen
    —— 5-exo-Acetoxy-6-endo-hydroxy-bicyclo <2.2.2> octan-2-endo-carbonsaeure-lacton 91971-28-7 C11H14O4
    5-exo-Acetoxy-6-endo-hydroxy-bicyclo <2.2.2> octan-2-endo-carbonsaeure-lacton
    —— 5-<Thionaphthenyl-(2)>-capronsaeure 94002-14-9 C15H16O3S
    5-<Thionaphthenyl-(2)>-capronsaeure
    —— 5-(3-benzofuran-2-yl-2-methyl-4-oxo-4<i>H</i>-chromen-7-yloxymethyl)-benzofuran-2-carboxylic acid ethyl ester 36754-57-1 C30H22O7
    5-(3-benzofuran-2-yl-2-methyl-4-oxo-4<i>H</i>-chromen-7-yloxymethyl)-benzofuran-2-carboxylic acid ethyl ester
    —— 5-bromo-4,6,7-trimethyl-2-(1-methyl-hexyl)-2,3-dihydro-benzofuran 858791-42-1 C18H27BrO
    5-bromo-4,6,7-trimethyl-2-(1-methyl-hexyl)-2,3-dihydro-benzofuran
    —— 5-iodo-2-tritylisoindoline 1221257-18-6 C27H22IN
    5-iodo-2-tritylisoindoline
    —— 5-Hydroxy-1,3,6-trimethyl-8-phenethyl-1H,8H-1,3,4b,8,9-pentaaza-fluorene-2,4,7-trione 91285-40-4 C19H19N5O4
    5-Hydroxy-1,3,6-trimethyl-8-phenethyl-1H,8H-1,3,4b,8,9-pentaaza-fluorene-2,4,7-trione
    —— 5-methoxy-1-(6-{3-methyl-2-[5-methyl-1-oxo-2-(tetrahydro-pyran-4-yl)-1,2,3,4-tetrahydro-isoquinolin-6-ylmethoxy]-phenyl}-pyridin-2-yl)-1H-pyrazole-4-carboxylic acid 1579515-07-3 C33H34N4O6
    5-methoxy-1-(6-{3-methyl-2-[5-methyl-1-oxo-2-(tetrahydro-pyran-4-yl)-1,2,3,4-tetrahydro-isoquinolin-6-ylmethoxy]-phenyl}-pyridin-2-yl)-1H-pyrazole-4-carboxylic acid
    —— 5-(4-hydroxy-3-propyl-phenylazo)-2,4-dimethylbenzenesulfonic acid 1357000-86-2 C17H20N2O4S
    5-(4-hydroxy-3-propyl-phenylazo)-2,4-dimethylbenzenesulfonic acid
    —— 5α-B-Homocholesten-(6)-ol-(3β) 14527-65-2 C28H48O
    5α-B-Homocholesten-(6)-ol-(3β)
    —— 5-Chloro-4,5-dimethyl-cyclopent-2-enol 35493-85-7 C7H11ClO
    5-Chloro-4,5-dimethyl-cyclopent-2-enol
    —— [5-[(4-chloro-3-fluorophenyl)methylamino]-4-methylpyridin-3-yl]-[4-[[(3S,4S)-3-methoxyoxan-4-yl]amino]piperidin-1-yl]methanone 1351864-84-0 C25H32ClFN4O3
    [5-[(4-chloro-3-fluorophenyl)methylamino]-4-methylpyridin-3-yl]-[4-[[(3S,4S)-3-methoxyoxan-4-yl]amino]piperidin-1-yl]methanone
    —— 5,9-bis(diethylamino)-4,6,8,10-tetraoxa-5,9-diphospha-1,3(1,2),7(1,3)-trinaphthalenacyclodecaphane 5,9-disulfide 1252583-12-2 C39H40N2O4P2S2
    5,9-bis(diethylamino)-4,6,8,10-tetraoxa-5,9-diphospha-1,3(1,2),7(1,3)-trinaphthalenacyclodecaphane 5,9-disulfide
    —— 5-(2-chloro-benzyl)-3-propionyloxy-4,5,6,7-tetrahydro-thieno[3,2-<i>c</i>]pyridine-2-carboxylic acid ethyl ester 67848-48-0 C20H22ClNO4S
    5-(2-chloro-benzyl)-3-propionyloxy-4,5,6,7-tetrahydro-thieno[3,2-<i>c</i>]pyridine-2-carboxylic acid ethyl ester
    —— (5R,6S,7S,8R)-8-acetoxy-6,7-bis(benzyloxy)-5-benzyloxymethyl-5,6,7,8-tetrahydroimidazo[1,2-a]pyridine 162438-93-9 C31H32N2O5
    (5R,6S,7S,8R)-8-acetoxy-6,7-bis(benzyloxy)-5-benzyloxymethyl-5,6,7,8-tetrahydroimidazo[1,2-a]pyridine
    —— 5-(4-(tert-butyldimethylsilyloxy)phenyl)-3-(4-(4-(trifluoromethyl)phenoxy)-phenyl)-1,2,4-oxadiazole 1567711-31-2 C27H27F3N2O3Si
    5-(4-(tert-butyldimethylsilyloxy)phenyl)-3-(4-(4-(trifluoromethyl)phenoxy)-phenyl)-1,2,4-oxadiazole
    —— 5-Ethoxy-8-methoxy-3,4-dihydro-naphthalene-2-carboxylic acid 68570-06-9 C14H16O4
    5-Ethoxy-8-methoxy-3,4-dihydro-naphthalene-2-carboxylic acid
    —— [5-amino-1-(2-methyl-1H-benzimidazol-5-yl)-1H-pyrazol-4-yl](5-tert-butyl-1H-indol-2-yl)methanone 1265230-94-1 C24H24N6O
    [5-amino-1-(2-methyl-1H-benzimidazol-5-yl)-1H-pyrazol-4-yl](5-tert-butyl-1H-indol-2-yl)methanone
    —— 5-(2-nitrophenyl)-3-(4-nitrophenyl)-4,5-dihydro-1H-pyrazole 1262388-59-9 C15H12N4O4
    5-(2-nitrophenyl)-3-(4-nitrophenyl)-4,5-dihydro-1H-pyrazole
    —— 5-Amino-2,3-dihydro-1-oxa-4-aza-3a-azonia-cyclopenta[a]naphthalene; bromide 126278-34-0 Br*C10H10N3O
    5-Amino-2,3-dihydro-1-oxa-4-aza-3a-azonia-cyclopenta[a]naphthalene; bromide
    —— 5-oxaspiro[2.4]heptan-4-one 65652-14-4 C6H8O2
    5-oxaspiro[2.4]heptan-4-one
    —— 5-phenoxycarbonylamino-[1,2,3]thiadiazole-4-carboxylic acid tert-butyl ester 6439-94-7 C14H15N3O4S
    5-phenoxycarbonylamino-[1,2,3]thiadiazole-4-carboxylic acid tert-butyl ester
    —— 5α-Hydroxy-3,3-ethylendioxy-17β-acetoxy-6β-N-diethylaminoethyl-acetamino-androstan 97154-66-0 C31H52N2O6
    5α-Hydroxy-3,3-ethylendioxy-17β-acetoxy-6β-N-diethylaminoethyl-acetamino-androstan
    —— 5-bromomethyl-3-methyl-4-propyl-pyrrole-2-carboxylic acid ethyl ester 856119-51-2 C12H18BrNO2
    5-bromomethyl-3-methyl-4-propyl-pyrrole-2-carboxylic acid ethyl ester
    —— 5-(2,6-dichloro-3,5-dimethoxy-phenyl)-quinoline-8-carboxylic acid (4-dimethylaminomethyl-1H-imidazol-2-yl)-amide 1197331-70-6 C24H23Cl2N5O3
    5-(2,6-dichloro-3,5-dimethoxy-phenyl)-quinoline-8-carboxylic acid (4-dimethylaminomethyl-1H-imidazol-2-yl)-amide
    —— 5-[3-chloro-4-(3,4-dichlorobenzyl)phenyl]3-(2-chloro-6-fluorophenyl)-1-methyl-1H-1,2,4-triazole 168035-63-0 C22H14Cl4FN3
    5-[3-chloro-4-(3,4-dichlorobenzyl)phenyl]3-(2-chloro-6-fluorophenyl)-1-methyl-1H-1,2,4-triazole
    —— (+/-)-{[5-cyclopentyl-7-(2-methylphenyl)-2,3-dihydro-1-benzofuran-2-yl]methyl}amine 852122-63-5 C21H25NO
    (+/-)-{[5-cyclopentyl-7-(2-methylphenyl)-2,3-dihydro-1-benzofuran-2-yl]methyl}amine
    —— 5-N-carbobenzoxylamino-3,5-dideoxy-β-D-glycero-D-galacto-2-nonulopyranosidonic acid methyl ester 146669-03-6 C18H25NO10
    5-N-carbobenzoxylamino-3,5-dideoxy-β-D-glycero-D-galacto-2-nonulopyranosidonic acid methyl ester
    —— 5,7,3'-Triacetoxy-8,4',5'-trimethoxy-isoflavon 27181-89-1 C24H22O11
    5,7,3'-Triacetoxy-8,4',5'-trimethoxy-isoflavon
    —— 5,5'-(1,4-Phenylen)bis<2-(butylthio)-1,3-dithiolylium-4-olat> 106095-29-8 C20H22O2S6
    5,5'-(1,4-Phenylen)bis<2-(butylthio)-1,3-dithiolylium-4-olat>
    —— 5’-O-(4,4’-dimethoxytrityl)-2’-deoxy-1,N6-ethenoadenosine 109584-91-0 C33H31N5O5
    5’-O-(4,4’-dimethoxytrityl)-2’-deoxy-1,N6-ethenoadenosine
    —— 5-Methylmercapto-2-phenyl-oxazol-4-monothiocarbonsaeure-S-methylester 6208-73-7 C12H11NO2S2
    5-Methylmercapto-2-phenyl-oxazol-4-monothiocarbonsaeure-S-methylester
    —— 5-(4-sec-butoxyphenyl)thiophene-2-carbaldehyde 1322616-84-1 C15H16O2S
    5-(4-sec-butoxyphenyl)thiophene-2-carbaldehyde
    —— 5-(2-cyanoethyl)hydroxymethyl-5'-(4,4'-dimethoxytrityl)-2'-deoxyuridine 1277097-06-9 C34H35N3O8
    5-(2-cyanoethyl)hydroxymethyl-5'-(4,4'-dimethoxytrityl)-2'-deoxyuridine
    —— {5:2'-O-[methyleneimino(2-oxoethane-2,1-diyl)]}-linked 5'-O-(4,4'-dimethoxytrityl)-P-thiouridyl-(3'->5')-2'-deoxyuridine S-phenyl ester 263712-30-7 C48H48N5O15PS
    {5:2'-O-[methyleneimino(2-oxoethane-2,1-diyl)]}-linked 5'-O-(4,4'-dimethoxytrityl)-P-thiouridyl-(3'->5')-2'-deoxyuridine S-phenyl ester
    —— 5-cyclobutyl-3-[4-[(1R,2S)-2-[2-(5-methylsulfonylpyridin-2-yl)oxyethyl]cyclopropyl]piperidin-1-yl]-1,2,4-oxadiazole 1402554-27-1 C22H30N4O4S
    5-cyclobutyl-3-[4-[(1R,2S)-2-[2-(5-methylsulfonylpyridin-2-yl)oxyethyl]cyclopropyl]piperidin-1-yl]-1,2,4-oxadiazole
    —— 5-Methyl-3-(pyrrolidin-2-yl)-1,2,4-oxadiazole 1316227-35-6 C7H11N3O
    5-Methyl-3-(pyrrolidin-2-yl)-1,2,4-oxadiazole
    —— (5S)-3-(4-Fluorobenzyl)-10-hydroxy-N,N'-dimethyl-8-oxo-5,6-dihydro-8H-[1,4]oxazino[2,3,4-de][1,5]naphthyridine-5,9-dicarboxamide 1206526-56-8 C21H19FN4O5
    (5S)-3-(4-Fluorobenzyl)-10-hydroxy-N,N'-dimethyl-8-oxo-5,6-dihydro-8H-[1,4]oxazino[2,3,4-de][1,5]naphthyridine-5,9-dicarboxamide
    —— 5-(Methylthio)-7-methyl-1,2,3,4-tetrahydronapthalene 90969-09-8 C12H16S
    5-(Methylthio)-7-methyl-1,2,3,4-tetrahydronapthalene
    —— 5-chloro-N-methyl-3,6-di(propan-2-yl)pyrazin-2-amine 73444-28-7 C11H18ClN3
    5-chloro-N-methyl-3,6-di(propan-2-yl)pyrazin-2-amine
    —— (5R,7S)-7-hydroxy-5,8,8-trimethylnonanoic acid 1403236-02-1 C12H24O3
    (5R,7S)-7-hydroxy-5,8,8-trimethylnonanoic acid
    —— 5,5-dimethyl-2-[phenylamino(4-fluorophenyl)-methylene]cyclohexane-1,3-dione 1296757-33-9 C21H20FNO2
    5,5-dimethyl-2-[phenylamino(4-fluorophenyl)-methylene]cyclohexane-1,3-dione