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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5,9,13,17-tetratosyl-N<sup>1</sup>,N<sup>1</sup>:N<sup>21</sup>,N<sup>21</sup>-diphthaloyl-5,9,13,17-tetraazaheneicosane-1,21-diamine 121821-33-8 C61H70N6O12S4
    5,9,13,17-tetratosyl-N<sup>1</sup>,N<sup>1</sup>:N<sup>21</sup>,N<sup>21</sup>-diphthaloyl-5,9,13,17-tetraazaheneicosane-1,21-diamine
    —— 5-bromo-7-chloro-heptanal 111711-11-6 C7H12BrClO
    5-bromo-7-chloro-heptanal
    —— 5,6-diphenyl-2-(tri-<i>O</i>-acetyl-β-<i>D</i>-xylopyranosyl)-2<i>H</i>-pyridazin-3-one 29581-09-7 C27H26N2O8
    5,6-diphenyl-2-(tri-<i>O</i>-acetyl-β-<i>D</i>-xylopyranosyl)-2<i>H</i>-pyridazin-3-one
    —— 5-(4-methoxy-benzhydryl)-2,3-diphenyl-3,5-dihydro-imidazol-4-one 34925-91-2 C29H24N2O2
    5-(4-methoxy-benzhydryl)-2,3-diphenyl-3,5-dihydro-imidazol-4-one
    —— 5-bromo-1-hydroxy-4,6-dimethyl-2-oxo-1,2-dihydro-pyridine-3-carboxylic acid 32399-18-1 C8H8BrNO4
    5-bromo-1-hydroxy-4,6-dimethyl-2-oxo-1,2-dihydro-pyridine-3-carboxylic acid
    —— 5-(2,3-dibromo-propyl)-5-isobutyl barbituric acid 119197-29-4 C11H16Br2N2O3
    5-(2,3-dibromo-propyl)-5-isobutyl barbituric acid
    —— 5β.14β.17βH-pregnane 78964-25-7 C21H36
    5β.14β.17βH-pregnane
    —— (5S,6S)-6-[(R,2E,6E)-1-[(tert-butyldimethylsilyl)oxy]-8-hydroxy-2,6-dimethylocta-2,6-dien-1-yl]-2-methyl-5-(prop-1-en-2-yl)cyclohex-2-enone 1207478-02-1 C26H44O3Si
    (5S,6S)-6-[(R,2E,6E)-1-[(tert-butyldimethylsilyl)oxy]-8-hydroxy-2,6-dimethylocta-2,6-dien-1-yl]-2-methyl-5-(prop-1-en-2-yl)cyclohex-2-enone
    —— (+/-)-5-acetoxy-6-(1-bromoethyl)-2,7-dimethoxynaphthoquinone 136397-97-2 C16H15BrO6
    (+/-)-5-acetoxy-6-(1-bromoethyl)-2,7-dimethoxynaphthoquinone
    —— [5-(4-chloro-phenyl)-pyrrol-3-yl]-acetic acid ethyl ester 26487-26-3 C14H14ClNO2
    [5-(4-chloro-phenyl)-pyrrol-3-yl]-acetic acid ethyl ester
    —— [5-(4-Bromo-phenylamino)-[1,3,4]thiadiazol-2-yl]-acetic acid methyl ester 35728-30-4 C11H10BrN3O2S
    [5-(4-Bromo-phenylamino)-[1,3,4]thiadiazol-2-yl]-acetic acid methyl ester
    —— 5-Phenyl-3-(selenol-2-yl)-pyrazol 34820-23-0 C13H10N2Se
    5-Phenyl-3-(selenol-2-yl)-pyrazol
    —— 5-benzyl-3-(4-methanesulfonyl-phenyl)-[1,3,5]thiadiazinane-2-thione 24852-29-7 C17H18N2O2S3
    5-benzyl-3-(4-methanesulfonyl-phenyl)-[1,3,5]thiadiazinane-2-thione
    —— 5,6-Bis-benzylthio-4,7-benzimidazoldiol-hydrochlorid 26557-41-5 C21H18N2O2S2*ClH
    5,6-Bis-benzylthio-4,7-benzimidazoldiol-hydrochlorid
    —— 5-Isopropyl-3-<p-(1-oxo-3-phenylinden-2-yl)-phenyl>-2-thio-hydantoin 42353-00-4 C27H22N2O2S
    5-Isopropyl-3-<p-(1-oxo-3-phenylinden-2-yl)-phenyl>-2-thio-hydantoin
    —— 5-(1-ethylenedioxy)ethylspiro<benzofuran-2(3H),1'-cyclopropan>-3-one O-methyloxime 95449-99-3 C15H17NO4
    5-(1-ethylenedioxy)ethylspiro<benzofuran-2(3H),1'-cyclopropan>-3-one O-methyloxime
    —— 5-butyl-2-<i>trans</i>-propenyl-pyridine 52989-44-3 C12H17N
    5-butyl-2-<i>trans</i>-propenyl-pyridine
    —— 5,5-bis(diethylphosphono)pentyl 7-((4aS,7aS)-octahydropyrrolo[3,4-b]pyridin-6-yl)-1-cyclopropyl-6-fluoro-1,4-dihydro-8-methoxy-4-oxoquinoline-3-carboxylate 925684-49-7 C34H52FN3O10P2
    5,5-bis(diethylphosphono)pentyl 7-((4aS,7aS)-octahydropyrrolo[3,4-b]pyridin-6-yl)-1-cyclopropyl-6-fluoro-1,4-dihydro-8-methoxy-4-oxoquinoline-3-carboxylate
    —— 5-(2-methoxy-benzyl)-imidazolidine-2,4-dione 101952-26-5 C11H12N2O3
    5-(2-methoxy-benzyl)-imidazolidine-2,4-dione
    —— 5-<3-Methoxy-proppyl>-11-oxo-5,11-dihydro-benzimidazo<1,2-b>isochinolin-6-carbaldehyd 25770-91-6 C20H18N2O3
    5-<3-Methoxy-proppyl>-11-oxo-5,11-dihydro-benzimidazo<1,2-b>isochinolin-6-carbaldehyd
    —— 5-hydroxy-8,8-dimethyl-10-(3-methyl-butyryl)-4-propyl-7,8-dihydro-6<i>H</i>-pyrano[3,2-<i>g</i>]chromen-2-one 37972-13-7 C22H28O5
    5-hydroxy-8,8-dimethyl-10-(3-methyl-butyryl)-4-propyl-7,8-dihydro-6<i>H</i>-pyrano[3,2-<i>g</i>]chromen-2-one
    —— 5-(4-butoxy-benzyl)-2-(3-diethylamino-propylamino)-1<i>H</i>-pyrimidine-4,6-dione 41165-60-0 C22H34N4O3
    5-(4-butoxy-benzyl)-2-(3-diethylamino-propylamino)-1<i>H</i>-pyrimidine-4,6-dione
    —— 5,5'-Diisopropyl-2,2'-dimethyl-bicyclohexyl-2,2'-diene 31383-98-9 C20H34
    5,5'-Diisopropyl-2,2'-dimethyl-bicyclohexyl-2,2'-diene
    —— 5-(5,5-bis-chloromethyl-[1,3]dioxan-2-yl)-furan-2-carboxylic acid 35248-81-8 C11H12Cl2O5
    5-(5,5-bis-chloromethyl-[1,3]dioxan-2-yl)-furan-2-carboxylic acid
    —— 5-[7-(diethylamino)-2-[(2,4,6-trichlorophenyl)hydrazinylidene]chromen-3-yl]-2-(2,4,6-trichlorophenyl)-1H-1,2,4-triazol-3-one 1220971-39-0 C27H20Cl6N6O2
    5-[7-(diethylamino)-2-[(2,4,6-trichlorophenyl)hydrazinylidene]chromen-3-yl]-2-(2,4,6-trichlorophenyl)-1H-1,2,4-triazol-3-one
    —— 5-(4-methoxyphenyl)-1-methyl-7,8,9,10-tetrahydropyrimido[4,5-b]quinoline-2,4,6(1H,3H,5H)-trione 1041469-50-4 C19H19N3O4
    5-(4-methoxyphenyl)-1-methyl-7,8,9,10-tetrahydropyrimido[4,5-b]quinoline-2,4,6(1H,3H,5H)-trione
    —— (5-chloro-6-oxo-1-phenyl-1,6-dihydro-pyridazin-4-yl)-oxalamic acid 3707-90-2 C12H8ClN3O4
    (5-chloro-6-oxo-1-phenyl-1,6-dihydro-pyridazin-4-yl)-oxalamic acid
    —— (5,6,9,10-tetraacetoxy-8-methoxy-3,4-dihydro-2<i>H</i>-benzo[<i>g</i>]chromen-2-yl)-propan-2-one 35887-89-9 C25H26O11
    (5,6,9,10-tetraacetoxy-8-methoxy-3,4-dihydro-2<i>H</i>-benzo[<i>g</i>]chromen-2-yl)-propan-2-one
    —— 5-(3-acetylamino-phenyl)-2,4-dihydro-[1,2,4]triazole-3-thione 42308-97-4 C10H10N4OS
    5-(3-acetylamino-phenyl)-2,4-dihydro-[1,2,4]triazole-3-thione
    —— 5-<N-Acetyl-anilino>-1,3-diphenyl-1,2,4-triazol 35558-14-6 C22H18N4O
    5-<N-Acetyl-anilino>-1,3-diphenyl-1,2,4-triazol
    —— 5,6-dimethyl-2-(2-phenyl-2-propionylhydrazono-ethylsulfanyl)-3<i>H</i>-pyrimidin-4-one 39641-05-9 C17H20N4O2S
    5,6-dimethyl-2-(2-phenyl-2-propionylhydrazono-ethylsulfanyl)-3<i>H</i>-pyrimidin-4-one
    —— 5-(4-chloro-phenyl)-1-(4-methoxy-phenyl)-1,5-dihydro-imidazol-2-one 34800-79-8 C16H13ClN2O2
    5-(4-chloro-phenyl)-1-(4-methoxy-phenyl)-1,5-dihydro-imidazol-2-one
    —— 5-(2,5-bis-trifluoromethyl-phenyl)-1,3-dihydro-benzo[<i>e</i>][1,4]diazepin-2-one 5571-47-1 C17H10F6N2O
    5-(2,5-bis-trifluoromethyl-phenyl)-1,3-dihydro-benzo[<i>e</i>][1,4]diazepin-2-one
    —— 5-[2-(5-chloro-1,3-diethyl-6-trifluoromethanesulfonyl-1,3-dihydro-benzoimidazol-2-ylidene)-ethylidene]-1,3-dimethyl-2-thioxo-imidazolidin-4-one 41554-03-4 C19H20ClF3N4O3S2
    5-[2-(5-chloro-1,3-diethyl-6-trifluoromethanesulfonyl-1,3-dihydro-benzoimidazol-2-ylidene)-ethylidene]-1,3-dimethyl-2-thioxo-imidazolidin-4-one
    —— 5-(5-Nitro-furan-2-yl)-3-thiophen-2-yl-isoxazole 5500-78-7 C11H6N2O4S
    5-(5-Nitro-furan-2-yl)-3-thiophen-2-yl-isoxazole
    —— 5-(benzotriazol-1-yloxymethyl)-2-chloro-N-(1-hydroxy-cyclohexylmethyl)-benzamide 1394349-23-5 C21H23ClN4O3
    5-(benzotriazol-1-yloxymethyl)-2-chloro-N-(1-hydroxy-cyclohexylmethyl)-benzamide
    —— 5,10,15,20-tetraphenylporphyrinate ytterbium(III)(H2O)3Cl 727423-38-3 C44H34N4O3Yb*Cl
    5,10,15,20-tetraphenylporphyrinate ytterbium(III)(H2O)3Cl
    —— 5-Hydroxy-indol-carbonsaeure-(2)-<N'-(1-ethyl-propyl)-hydrazid> 24985-77-1 C14H19N3O2
    5-Hydroxy-indol-carbonsaeure-(2)-<N'-(1-ethyl-propyl)-hydrazid>
    —— 5-nitro-1-(3-trifluoromethyl-benzoyl)-1<i>H</i>-indazole 28611-07-6 C15H8F3N3O3
    5-nitro-1-(3-trifluoromethyl-benzoyl)-1<i>H</i>-indazole
    —— 5,6-Dimethoxy-3-oxo-cyclohepta-1,4,6-trienecarboxylic acid methyl ester 34682-69-4 C11H12O5
    5,6-Dimethoxy-3-oxo-cyclohepta-1,4,6-trienecarboxylic acid methyl ester
    —— 5,5,5-Trichloro-4-ethoxy-pent-1-yne 26901-92-8 C7H9Cl3O
    5,5,5-Trichloro-4-ethoxy-pent-1-yne
    —— (5R,10R)-17-(1,5-Dimethyl-hexyl)-3-hydroxy-10,13-dimethyl-5-nitrosooxy-hexadecahydro-cyclopenta[a]phenanthren-6-one oxime 32958-05-7 C27H46N2O4
    (5R,10R)-17-(1,5-Dimethyl-hexyl)-3-hydroxy-10,13-dimethyl-5-nitrosooxy-hexadecahydro-cyclopenta[a]phenanthren-6-one oxime
    —— 5-Methoxy-3-(4-nitro-phenylazo)-1H-indole-2-carboxylic acid [3-(2-ethoxy-ethoxy)-propyl]-amide 34191-38-3 C23H27N5O6
    5-Methoxy-3-(4-nitro-phenylazo)-1H-indole-2-carboxylic acid [3-(2-ethoxy-ethoxy)-propyl]-amide
    —— 5-(7-(diethylamino)-2-hydrazineylidene-2H-chromen-3-yl)-1,2-dihydro-3H-1,2,4-triazol-3-one 1220971-36-7 C15H18N6O2
    5-(7-(diethylamino)-2-hydrazineylidene-2H-chromen-3-yl)-1,2-dihydro-3H-1,2,4-triazol-3-one
    —— 5-nitro-6-acetoxy-1-cyclooctene 101821-69-6 C10H15NO4
    5-nitro-6-acetoxy-1-cyclooctene
    —— (5,8-dimethyl-2-propan-2-yl-2,3-dihydrofuro[2,3-b]quinolin-3-yl) acetate 95687-82-4 C18H21NO3
    (5,8-dimethyl-2-propan-2-yl-2,3-dihydrofuro[2,3-b]quinolin-3-yl) acetate
    —— 5-(Ethoxycarbonyl-oxy)-3-(2-ethoxycarbonyl-amino-ethyl)-indol 22223-39-8 C16H20N2O5
    5-(Ethoxycarbonyl-oxy)-3-(2-ethoxycarbonyl-amino-ethyl)-indol
    —— 5-methyl-3-(1-naphthyl)tetrahydrofuran-2-one 93898-95-4 C15H14O2
    5-methyl-3-(1-naphthyl)tetrahydrofuran-2-one
    —— 5α-Cholestanyl tetradecyl Carbonat 23352-70-7 C42H76O3
    5α-Cholestanyl tetradecyl Carbonat
    —— 5-Methyl-2-tosyl-3(2H)-isoxazolon 92288-97-6 C11H11NO4S
    5-Methyl-2-tosyl-3(2H)-isoxazolon