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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-(3-Methylbut-2-en-2-yl)-2-propyl-1,3-thiazole 1029129-51-8 C11H17NS
    5-(3-Methylbut-2-en-2-yl)-2-propyl-1,3-thiazole
    —— 5-acetyl-6-methyl-4-(2-nitrophenyl)-3,4-dihydro-2H-pyran-2-one 1261085-90-8 C14H13NO5
    5-acetyl-6-methyl-4-(2-nitrophenyl)-3,4-dihydro-2H-pyran-2-one
    —— 5-(5-Chloro-3-fluoro-1-methyl-6-oxo-1,6-dihydropyridin-2-yl)-2,4-dimethyl-[2H]-pyrazole-3-carbonitrile 214055-10-4 C12H10ClFN4O
    5-(5-Chloro-3-fluoro-1-methyl-6-oxo-1,6-dihydropyridin-2-yl)-2,4-dimethyl-[2H]-pyrazole-3-carbonitrile
    —— 5-chloro-3-methyl-pent-1-yn-3-ol 33869-35-1 C6H9ClO
    5-chloro-3-methyl-pent-1-yn-3-ol
    —— 5-(N,N-dimethylamino)-2-nitroacetamide 129195-09-1 C10H13N3O3
    5-(N,N-dimethylamino)-2-nitroacetamide
    —— 5-cyano-2,2-dimethyl-2H-pyrrole 1-oxide 58134-21-7 C7H8N2O
    5-cyano-2,2-dimethyl-2H-pyrrole 1-oxide
    —— 5-bromo-6-(2-bromo-1-methoxyethyl)benzo[d][1,3]dioxole 81701-17-9 C10H10Br2O3
    5-bromo-6-(2-bromo-1-methoxyethyl)benzo[d][1,3]dioxole
    —— 5,5'-(1-p-tolylethane-1,2-diyl)bis(1,3-dimethoxybenzene) 1163694-71-0 C25H28O4
    5,5'-(1-p-tolylethane-1,2-diyl)bis(1,3-dimethoxybenzene)
    —— 5-hydroxy-7-mercapto-2,2-dimethyl-4-chromanone 98834-35-6 C11H12O3S
    5-hydroxy-7-mercapto-2,2-dimethyl-4-chromanone
    —— [5-(2-aminophenyl)-1H-pyrrol-2-yl]-[4-[3-(isopropylamino)-2-pyridyl]piperazin-1-yl]methanone 403502-41-0 C23H28N6O
    [5-(2-aminophenyl)-1H-pyrrol-2-yl]-[4-[3-(isopropylamino)-2-pyridyl]piperazin-1-yl]methanone
    —— 5-(Dimethylamino)-1-(4-methylphenyl)sulfonyl-1-phenylpentan-3-one;hydrochloride 58187-55-6 C20H26ClNO3S
    5-(Dimethylamino)-1-(4-methylphenyl)sulfonyl-1-phenylpentan-3-one;hydrochloride
    —— 5-methoxycarbonyl-oct-7-enenitrile 134163-23-8 C10H15NO2
    5-methoxycarbonyl-oct-7-enenitrile
    —— 5-chloropervaleric acid 94161-44-1 C5H9ClO3
    5-chloropervaleric acid
    —— 5-methoxy-3-(2-nitrophenyl)-Δ<sup>2</sup>-oxazoline 90104-64-6 C10H10N2O4
    5-methoxy-3-(2-nitrophenyl)-Δ<sup>2</sup>-oxazoline
    —— 5-aminosalicylic acid hydrochloride 6291-36-7 C7H7NO3*ClH
    5-aminosalicylic acid hydrochloride
    —— 5-methoxy-3-(3-methoxybenzyl)-7-methyl-2H-chromen-2-one 1159012-15-3 C19H18O4
    5-methoxy-3-(3-methoxybenzyl)-7-methyl-2H-chromen-2-one
    —— 5-Phenyl-1,2,3-thiadiazol-3-oxid 57469-97-3 C8H6N2OS
    5-Phenyl-1,2,3-thiadiazol-3-oxid
    —— 5-[4-(2-oxoethoxy)benzyl]thiazolidine-2,4-dione 172648-13-4 C12H11NO4S
    5-[4-(2-oxoethoxy)benzyl]thiazolidine-2,4-dione
    —— 5-Dimethylamino-2,3,6,7-tetrahydrothiocine 93582-80-0 C9H17NS
    5-Dimethylamino-2,3,6,7-tetrahydrothiocine
    —— 5-tert-butoxycarbonylaminomethyl-2-mercapto-1,3,4-thiadiazole 54567-56-5 C8H13N3O2S2
    5-tert-butoxycarbonylaminomethyl-2-mercapto-1,3,4-thiadiazole
    —— 5-[4-(3-oxopropoxy)benzyl]thiazolidine-2,4-dione 172648-47-4 C13H13NO4S
    5-[4-(3-oxopropoxy)benzyl]thiazolidine-2,4-dione
    —— 5-hydroxy-2-[2-hydroxy-4-(1,3,5-tri-<i>tert</i>-butyl-4-oxo-cyclohexa-2,5-dienyloxy)-phenyl]-8,8-dimethyl-3-(3-methyl-but-2-enyl)-8<i>H</i>-pyrano[2,3-<i>f</i>]chromen-4-one 65301-60-2 C43H52O7
    5-hydroxy-2-[2-hydroxy-4-(1,3,5-tri-<i>tert</i>-butyl-4-oxo-cyclohexa-2,5-dienyloxy)-phenyl]-8,8-dimethyl-3-(3-methyl-but-2-enyl)-8<i>H</i>-pyrano[2,3-<i>f</i>]chromen-4-one
    —— 5-(4-bromophenyl)-2-phenylpyrimidine 193886-10-1 C16H11BrN2
    5-(4-bromophenyl)-2-phenylpyrimidine
    —— 5-hydroxy-2-[4-hydroxy-2-(1,3,5-tri-<i>tert</i>-butyl-4-oxo-cyclohexa-2,5-dienyloxy)-phenyl]-8,8-dimethyl-3-(3-methyl-but-2-enyl)-8<i>H</i>-pyrano[2,3-<i>f</i>]chromen-4-one 65301-61-3 C43H52O7
    5-hydroxy-2-[4-hydroxy-2-(1,3,5-tri-<i>tert</i>-butyl-4-oxo-cyclohexa-2,5-dienyloxy)-phenyl]-8,8-dimethyl-3-(3-methyl-but-2-enyl)-8<i>H</i>-pyrano[2,3-<i>f</i>]chromen-4-one
    —— 5,6-Dihydro-2,3,9,10-tetramethoxybenzimidazo<2,1-a>isochinolin 57544-83-9 C19H20N2O4
    5,6-Dihydro-2,3,9,10-tetramethoxybenzimidazo<2,1-a>isochinolin
    —— 5,6,7,8-tetrahydro-8-isopropyl-2,5-dimethyl-1,4-naphthoquinone 116946-99-7 C15H20O2
    5,6,7,8-tetrahydro-8-isopropyl-2,5-dimethyl-1,4-naphthoquinone
    —— 5-methylamino-1,3,4-oxadiazole-2-carboxylic acid 66074-29-1 C4H5N3O3
    5-methylamino-1,3,4-oxadiazole-2-carboxylic acid
    —— 5-Morpholino-2,3,6,7-tetrahydrothiocine 93582-82-2 C11H19NOS
    5-Morpholino-2,3,6,7-tetrahydrothiocine
    —— 5-chloro-2-(phenylthio)-4-sulfamylacetanilide 56447-27-9 C14H13ClN2O3S2
    5-chloro-2-(phenylthio)-4-sulfamylacetanilide
    —— 5-butyl-2-chloro-5-ethyl-[1,3,2]dioxaphosphinane 19952-58-0 C9H18ClO2P
    5-butyl-2-chloro-5-ethyl-[1,3,2]dioxaphosphinane
    —— 5-chloro-2-(phenylsulfinyl)-4-sulfamylacetanilide 56447-28-0 C14H13ClN2O4S2
    5-chloro-2-(phenylsulfinyl)-4-sulfamylacetanilide
    —— 5,5-dimethyl-1,2-diphenyl-3,4,5,5a-tetrahydro-2<i>H</i>-benzo[<i>c</i>]azepine 64308-83-4 C24H25N
    5,5-dimethyl-1,2-diphenyl-3,4,5,5a-tetrahydro-2<i>H</i>-benzo[<i>c</i>]azepine
    —— 5,5-dimethyl-1,2-diphenyl-2,3,4,5-tetrahydro-1<i>H</i>-benzo[<i>c</i>]azepine 64277-89-0 C24H25N
    5,5-dimethyl-1,2-diphenyl-2,3,4,5-tetrahydro-1<i>H</i>-benzo[<i>c</i>]azepine
    —— 5-(heptan-2-ylsulfonyl)-1-phenyl-1H-tetrazole 1301261-77-7 C14H20N4O2S
    5-(heptan-2-ylsulfonyl)-1-phenyl-1H-tetrazole
    —— 5-Benzoyl-1,1-dimethylindan 64277-88-9 C18H18O
    5-Benzoyl-1,1-dimethylindan
    —— 5-methyl-decan-2-one 56608-65-2 C11H22O
    5-methyl-decan-2-one
    —— 5-Acetyl-2-brom-benzol-sulfonsaeure-chlorid 73035-15-1 C8H6BrClO3S
    5-Acetyl-2-brom-benzol-sulfonsaeure-chlorid
    —— (5-(tert-butyl)-1,3-phenylene)dimethanol 22157-91-1 C12H18O2
    (5-(tert-butyl)-1,3-phenylene)dimethanol
    —— 5-hydroxy-3,5-di-tert-butyl-2-furanone 3807-35-0 C12H20O3
    5-hydroxy-3,5-di-tert-butyl-2-furanone
    —— 5-(4-isopropylphenyl)imidazo[1,2-f]phenanthridine 946147-07-5 C24H20N2
    5-(4-isopropylphenyl)imidazo[1,2-f]phenanthridine
    —— [5-(2-nitrobenzyl)-4-phenylfuran-2-yl]diphenylphosphine oxide 1628918-18-2 C29H22NO4P
    [5-(2-nitrobenzyl)-4-phenylfuran-2-yl]diphenylphosphine oxide
    —— [5-(2,6-dimethyl-4-nitro-phenoxy)-2-methoxy-phenyl]-(4-fluoro-phenyl)-methanone 156740-86-2 C22H18FNO5
    [5-(2,6-dimethyl-4-nitro-phenoxy)-2-methoxy-phenyl]-(4-fluoro-phenyl)-methanone
    —— 5-(5,5-dimethyl-2-oxo-1,3,2-dioxaphosphinan-2-yl)-2-(3-fluorobenzyl)-3-phenylfuran 1628918-11-5 C22H22FO4P
    5-(5,5-dimethyl-2-oxo-1,3,2-dioxaphosphinan-2-yl)-2-(3-fluorobenzyl)-3-phenylfuran
    —— 5-Bromo-3-(3-chloro-phenyl)-benzo[c]isoxazole 288391-73-1 C13H7BrClNO
    5-Bromo-3-(3-chloro-phenyl)-benzo[c]isoxazole
    —— 5,7-di-tert-butyl-3-(4-methylphenyl)-3H-benzofuran-2-one 164391-53-1 C23H28O2
    5,7-di-tert-butyl-3-(4-methylphenyl)-3H-benzofuran-2-one
    —— 5,7-di-tert-butyl-3-(4-methoxyphenyl)-3H-benzofuran-2-one 75869-37-3 C23H28O3
    5,7-di-tert-butyl-3-(4-methoxyphenyl)-3H-benzofuran-2-one
    —— 5-(5,5-dimethyl-2-oxo-1,3,2-dioxaphosphinan-2-yl)-2-(4-methylbenzyl)-3-phenylfuran 1628918-06-8 C23H25O4P
    5-(5,5-dimethyl-2-oxo-1,3,2-dioxaphosphinan-2-yl)-2-(4-methylbenzyl)-3-phenylfuran
    —— 5-Methoxy-4,6-dimethyl-4-nitro-tetrahydro-pyran-2-ol 75992-42-6 C8H15NO5
    5-Methoxy-4,6-dimethyl-4-nitro-tetrahydro-pyran-2-ol
    —— 5-piperidino-6-nitro-beta-carboline-3-carboxylic-acid-ethylester 83911-22-2 C19H20N4O4
    5-piperidino-6-nitro-beta-carboline-3-carboxylic-acid-ethylester
    —— 5,10-diphenylcyclotrideca-2,4,10,12-tetraene-6,8-diyn-1-one 114657-39-5 C25H16O
    5,10-diphenylcyclotrideca-2,4,10,12-tetraene-6,8-diyn-1-one