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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-methyl-nonan-3-ol 66719-43-5 C10H22O
    5-methyl-nonan-3-ol
    —— 5-((2R,4R,5S,6R)-5-Methyl-2,6-dipropyl-[1,3]dioxan-4-yl)-benzo[1,3]dioxole —— C18H26O4
    5-((2R,4R,5S,6R)-5-Methyl-2,6-dipropyl-[1,3]dioxan-4-yl)-benzo[1,3]dioxole
    —— 5-Methyl-3-phenyl-2-thioxooxazolidin-4-one 88103-65-5 C10H9NO2S
    5-Methyl-3-phenyl-2-thioxooxazolidin-4-one
    —— 5-(4-hexylphenoxy)-2,2-dimethylpentanoic acid 115519-59-0 C19H30O3
    5-(4-hexylphenoxy)-2,2-dimethylpentanoic acid
    —— 5-Hydroxy-3,3,7,7-tetramethyl-1,2-oxazepin 62643-21-4 C9H19NO2
    5-Hydroxy-3,3,7,7-tetramethyl-1,2-oxazepin
    —— 5-(3-chlorophenyl)-3-methyl-1,3,4-oxadiazol-2(3H)-one 82476-08-2 C9H7ClN2O2
    5-(3-chlorophenyl)-3-methyl-1,3,4-oxadiazol-2(3H)-one
    —— 5-Ethyl-2,3-dimethylpyridine 73014-65-0 C9H13N
    5-Ethyl-2,3-dimethylpyridine
    —— 5-Amino-3,4-dihydro-1,4-methanonaphthalen-2(1H)-one 88999-37-5 C11H11NO
    5-Amino-3,4-dihydro-1,4-methanonaphthalen-2(1H)-one
    —— 5-((2R,4R,5R,6R)-2,6-Dibutyl-5-methyl-[1,3]dioxan-4-yl)-benzo[1,3]dioxole —— C20H30O4
    5-((2R,4R,5R,6R)-2,6-Dibutyl-5-methyl-[1,3]dioxan-4-yl)-benzo[1,3]dioxole
    —— 5-methyl-3-o-fluorophenylthiohydantoin 78334-95-9 C10H9FN2OS
    5-methyl-3-o-fluorophenylthiohydantoin
    —— 5-((2R,4R,5R,6R)-5-Methyl-2,6-dipentyl-[1,3]dioxan-4-yl)-benzo[1,3]dioxole —— C22H34O4
    5-((2R,4R,5R,6R)-5-Methyl-2,6-dipentyl-[1,3]dioxan-4-yl)-benzo[1,3]dioxole
    —— (5R,5aS,7aS,7bR,9aR,13aR,13bS,15aR,15bS)-Docosahydro-5,5a,7b,9a,12,12,13b,15a-octamethylchryseno[2,1-c]oxepin 58934-55-7 C30H52O
    (5R,5aS,7aS,7bR,9aR,13aR,13bS,15aR,15bS)-Docosahydro-5,5a,7b,9a,12,12,13b,15a-octamethylchryseno[2,1-c]oxepin
    —— 5,5-Dimethyl-1,3,2lambda~4~-dioxathiepan-2-one 89720-68-3 C6H12O3S
    5,5-Dimethyl-1,3,2lambda~4~-dioxathiepan-2-one
    —— 5-furan-2-yl-6<i>c</i>-phenoxy-(5<i>r</i><i>H</i>)-4-thia-1-aza-bicyclo[3.2.0]heptan-7-one 51932-29-7 C15H13NO3S
    5-furan-2-yl-6<i>c</i>-phenoxy-(5<i>r</i><i>H</i>)-4-thia-1-aza-bicyclo[3.2.0]heptan-7-one
    —— 5-methoxy-2,3-dihydro-5H-1,4-dioxepine 123290-24-4 C6H10O3
    5-methoxy-2,3-dihydro-5H-1,4-dioxepine
    —— (5R,6R)-1-C-(5-endo-nitrobicyclo<2.2.1>hept-2-en-6-exo-yl)-D-manno-pentitol 123003-28-1 C12H19NO7
    (5R,6R)-1-C-(5-endo-nitrobicyclo<2.2.1>hept-2-en-6-exo-yl)-D-manno-pentitol
    —— 5-O-benzoyl-2,3-dideoxy-3-fluoro-α-D-ribofuranose 122333-24-8 C12H13FO4
    5-O-benzoyl-2,3-dideoxy-3-fluoro-α-D-ribofuranose
    —— 5-Chloro-3-methyl-3-(methylsulfanyl)-1,3-dihydro-2H-indol-2-one 61394-68-1 C10H10ClNOS
    5-Chloro-3-methyl-3-(methylsulfanyl)-1,3-dihydro-2H-indol-2-one
    —— 5-Methyl-3-(2-methylphenyl)imidazolidine-2,4-dione 51027-24-8 C11H12N2O2
    5-Methyl-3-(2-methylphenyl)imidazolidine-2,4-dione
    —— 5,6,7,8,2',6'-hexamethoxyflavone 74670-18-1 C21H22O8
    5,6,7,8,2',6'-hexamethoxyflavone
    —— 5-[5-((E)-2-Cyano-2-methoxycarbonyl-vinyl)-3-ethyl-4-methyl-1H-pyrrol-2-ylmethyl]-4-ethyl-3-methyl-1H-pyrrole-2-carboxylic acid benzyl ester 97336-24-8 C28H31N3O4
    5-[5-((E)-2-Cyano-2-methoxycarbonyl-vinyl)-3-ethyl-4-methyl-1H-pyrrol-2-ylmethyl]-4-ethyl-3-methyl-1H-pyrrole-2-carboxylic acid benzyl ester
    —— 5-Amino-3,4-dichlorofuran-2(5H)-one 60696-35-7 C4H3Cl2NO2
    5-Amino-3,4-dichlorofuran-2(5H)-one
    —— 5-Phenylcarbamoyloxy-cyclooctan-1-on 97468-82-1 C15H19NO3
    5-Phenylcarbamoyloxy-cyclooctan-1-on
    —— 5-methoxy-2-methyl-4-phenyl-3(2H)-pyridazinone 335349-31-0 C12H12N2O2
    5-methoxy-2-methyl-4-phenyl-3(2H)-pyridazinone
    —— (5R,6R)-1-C-(5-endo-nitrobicyclo<2.2.1>hept-2-en-6-exo-yl)carboxaldehyde 123050-44-2 C8H9NO3
    (5R,6R)-1-C-(5-endo-nitrobicyclo<2.2.1>hept-2-en-6-exo-yl)carboxaldehyde
    —— 5α-cholestane-3β,4β,6α,7α,8,15α,16β,26-octol 86424-19-3 C27H48O8
    5α-cholestane-3β,4β,6α,7α,8,15α,16β,26-octol
    —— 5-O-benzoyl-2,3-dideoxy-3-fluoro-β-D-ribofuranose 122333-25-9 C12H13FO4
    5-O-benzoyl-2,3-dideoxy-3-fluoro-β-D-ribofuranose
    —— 5-Amino-4-hydroxy-2,7-dimethyloctanoic acid 89028-17-1 C10H21NO3
    5-Amino-4-hydroxy-2,7-dimethyloctanoic acid
    —— 5-bromo-4-dichlorofluoromethylthio-3-cyano-1-(2,6-dichloro-4-trifluoromethylphenyl)pyrazole 134403-25-1 C12H2BrCl4F4N3S
    5-bromo-4-dichlorofluoromethylthio-3-cyano-1-(2,6-dichloro-4-trifluoromethylphenyl)pyrazole
    —— 5-Epinorcembrene 208259-79-4 C19H24O5
    5-Epinorcembrene
    —— 5-Ethoxy-8-nitroquinoline 1803609-37-1 C11H10N2O3
    5-Ethoxy-8-nitroquinoline
    —— 5-(Heptadecylcarbamoyloxymethyl)-1,3-dioxolane-2-methanol 133281-16-0 C23H45NO5
    5-(Heptadecylcarbamoyloxymethyl)-1,3-dioxolane-2-methanol
    —— (5-methylthio-1,3,4-thiadiazol-2-yl)methylamine 933693-22-2 C4H7N3S2
    (5-methylthio-1,3,4-thiadiazol-2-yl)methylamine
    —— 5-(2,2-dimethyl-2-vinylidenecyclopropyl)-2,2-dimethyl-1,3-dioxane-4,6-dione 133559-81-6 C13H16O4
    5-(2,2-dimethyl-2-vinylidenecyclopropyl)-2,2-dimethyl-1,3-dioxane-4,6-dione
    —— 5α-Androstanon-(6) 3676-06-0 C19H30O
    5α-Androstanon-(6)
    —— 5-propionyl-pyrimidine 852180-02-0 C7H8N2O
    5-propionyl-pyrimidine
    —— 5α-Androstan-15-on 734-68-9 C19H30O
    5α-Androstan-15-on
    —— [5-Methyl-4,6-dioxo-hexahydro-pyrrolo[3,4-c]pyrrol-(1Z)-ylidene]-acetic acid ethyl ester 101402-36-2 C11H14N2O4
    [5-Methyl-4,6-dioxo-hexahydro-pyrrolo[3,4-c]pyrrol-(1Z)-ylidene]-acetic acid ethyl ester
    —— 5α-Pregnan-11-on 26039-99-6 C21H34O
    5α-Pregnan-11-on
    —— 5α-Androstan-4-on 13583-70-5 C19H30O
    5α-Androstan-4-on
    —— [5-(heptadecylcarbamoyloxymethyl)oxolan-2-yl]methyl N-acetyl-N-[(1-ethylpyridin-1-ium-2-yl)methyl]carbamate;iodide 131730-73-9 C35H60N3O6*I
    [5-(heptadecylcarbamoyloxymethyl)oxolan-2-yl]methyl N-acetyl-N-[(1-ethylpyridin-1-ium-2-yl)methyl]carbamate;iodide
    —— 5,3'-di-O-methyl-(-)-epicatechin 97914-18-6 C17H18O6
    5,3'-di-O-methyl-(-)-epicatechin
    —— 5-methyl-6-nitrotetrazolo[1,5-a]pyridine 189756-88-5 C6H5N5O2
    5-methyl-6-nitrotetrazolo[1,5-a]pyridine
    —— 5-Hydroxy-7-iodo-6-methyl-1,5-dihydropyrido[2,3-b]pyrazine-2,3-dione 185677-07-0 C8H6IN3O3
    5-Hydroxy-7-iodo-6-methyl-1,5-dihydropyrido[2,3-b]pyrazine-2,3-dione
    —— 5-Benzylamino-5a,8a-dihydro-1,3,7-trimethyl-1H-pyrrolo<3,4-g>quinazoline-2,4,6,8(3H,5H,7H,9H)-tetrone 132092-82-1 C20H22N4O4
    5-Benzylamino-5a,8a-dihydro-1,3,7-trimethyl-1H-pyrrolo<3,4-g>quinazoline-2,4,6,8(3H,5H,7H,9H)-tetrone
    —— 5-Bromo-2-(chloromethyl)-4-methoxypyridine;hydrochloride 122307-34-0 C7H8BrCl2NO
    5-Bromo-2-(chloromethyl)-4-methoxypyridine;hydrochloride
    —— 5-[(5-p-bromo-phenyl-2-tetrazolyl)-methyl]-4-phenyl-1,2,4-triazole-3-thiol 75167-83-8 C16H12BrN7S
    5-[(5-p-bromo-phenyl-2-tetrazolyl)-methyl]-4-phenyl-1,2,4-triazole-3-thiol
    —— 5-Allyl-2-methylphenol 40794-05-6 C10H12O
    5-Allyl-2-methylphenol
    —— (5R,6R,7S,8S)-6,7,8-Tris-benzyloxy-5-benzyloxymethyl-5,6,7,8-tetrahydro-indolizine-2-carboxylic acid methyl ester 196412-46-1 C39H39NO6
    (5R,6R,7S,8S)-6,7,8-Tris-benzyloxy-5-benzyloxymethyl-5,6,7,8-tetrahydro-indolizine-2-carboxylic acid methyl ester
    —— 5-(3,4-Dimethoxyphenyl)-4-ethoxycarbonyl-2,3-dioxo-2,3-dihydrofuran 134567-94-5 C15H14O7
    5-(3,4-Dimethoxyphenyl)-4-ethoxycarbonyl-2,3-dioxo-2,3-dihydrofuran