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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— (5α,8α)-8-butyl-8-hydroxy-2-(4-trifluoromethoxy-phenyl)-2-aza-spiro[4.5]decan-1-one 1292275-06-9 C20H26F3NO3
    (5α,8α)-8-butyl-8-hydroxy-2-(4-trifluoromethoxy-phenyl)-2-aza-spiro[4.5]decan-1-one
    —— 5-[(5-bromo-1,3-benzodioxol-4-yl)methyl]-8-fluorosoquinoline 679434-48-1 C17H11BrFNO2
    5-[(5-bromo-1,3-benzodioxol-4-yl)methyl]-8-fluorosoquinoline
    —— 5-(4-chlorophenyl)-6,9-dihydroxy-2H-chromeno[2,3-d]pyrimidine-2,4(3H)-dione 1159509-27-9 C17H9ClN2O5
    5-(4-chlorophenyl)-6,9-dihydroxy-2H-chromeno[2,3-d]pyrimidine-2,4(3H)-dione
    —— 5-Formyl-2-methyl-furan-3-carboxylic acid [(E)-3-phenyl-prop-2-en-(E)-ylidene]-hydrazide 135874-98-5 C16H14N2O3
    5-Formyl-2-methyl-furan-3-carboxylic acid [(E)-3-phenyl-prop-2-en-(E)-ylidene]-hydrazide
    —— 5,5',5''-(1,3,5-phenylene)tris[9-(2-ethoxy)-1-oxophenalene] 1446489-86-6 C51H36O6
    5,5',5''-(1,3,5-phenylene)tris[9-(2-ethoxy)-1-oxophenalene]
    —— 5-anilino-1-(4-nitrophenyl)-3-N,4-N-diphenylpyrazole-3,4-dicarboxamide 116905-32-9 C29H22N6O4
    5-anilino-1-(4-nitrophenyl)-3-N,4-N-diphenylpyrazole-3,4-dicarboxamide
    —— 5,17-dihydroxy-6β-phenyl-5α-pregnane-3,20-dione 103100-67-0 C27H36O4
    5,17-dihydroxy-6β-phenyl-5α-pregnane-3,20-dione
    —— 5-Chloro-2-(2-methylphenylthio)acetophenone 107164-99-8 C15H13ClOS
    5-Chloro-2-(2-methylphenylthio)acetophenone
    —— 5,6-dichloro-1-(2,3-di-O-tert-butyldimethylsilyl-β-D-ribofuranosyl)benzimidazole 137016-61-6 C24H40Cl2N2O4Si2
    5,6-dichloro-1-(2,3-di-O-tert-butyldimethylsilyl-β-D-ribofuranosyl)benzimidazole
    —— 5-benzyl-2,3-dihydrobenzo[b][1,4]oxazepin-4(5H)-one 37575-96-5 C16H15NO2
    5-benzyl-2,3-dihydrobenzo[b][1,4]oxazepin-4(5H)-one
    —— 5-Bromo-2-phenyl-pentanoyl chloride 19818-51-0 C11H12BrClO
    5-Bromo-2-phenyl-pentanoyl chloride
    —— 5-(4-phytyloxybenzyl)thiazolidine-2,4-dione 85002-25-1 C30H47NO3S
    5-(4-phytyloxybenzyl)thiazolidine-2,4-dione
    —— 5-cyano-pyridine-2-carboxylic acid [3-((R)-5-ethoxy-3-methyl-2,3,6,7-tetrahydro-[1,4]oxazepin-3-yl)-4-fluoro-phenyl]amide 1346146-84-6 C21H21FN4O3
    5-cyano-pyridine-2-carboxylic acid [3-((R)-5-ethoxy-3-methyl-2,3,6,7-tetrahydro-[1,4]oxazepin-3-yl)-4-fluoro-phenyl]amide
    —— 5-(6-chloro-1H-indol-3-yl)-2-methoxy-4-methylphenol 1613299-12-9 C16H14ClNO2
    5-(6-chloro-1H-indol-3-yl)-2-methoxy-4-methylphenol
    —— (5R,5aR,6R,9S,9aS,10S)-2-phenyl-5,5a,6,9,9a,10-hexahydro-1H-5,10:6,9-dietheno[1,2,4]triazolo[1,2-b]phthalazine-1,3(2H)-dione 102397-56-8 C20H17N3O2
    (5R,5aR,6R,9S,9aS,10S)-2-phenyl-5,5a,6,9,9a,10-hexahydro-1H-5,10:6,9-dietheno[1,2,4]triazolo[1,2-b]phthalazine-1,3(2H)-dione
    —— 5-(2-Bromo-1-methoxy-1-methyl-ethyl)-2-methyl-cyclohex-2-enone oxime 36914-34-8 C11H18BrNO2
    5-(2-Bromo-1-methoxy-1-methyl-ethyl)-2-methyl-cyclohex-2-enone oxime
    —— 5-methoxy-2-[[3-methoxy-4-(2,2,2-trifluoroethoxy)pyrid-2-yl)methylsulfinyl]benzimidazole 107512-29-8 C17H16F3N3O4S
    5-methoxy-2-[[3-methoxy-4-(2,2,2-trifluoroethoxy)pyrid-2-yl)methylsulfinyl]benzimidazole
    —— 5-[2-fluoro-4-(naphthalen-2-yl)phenyl]-6-({1-[(1-hydroxycyclopropyl)carbonyl]azetidin-3-yl}methyl)-4,6-diazaspiro[2.4]hept-4-en-7-one 1579519-10-0 C29H26FN3O3
    5-[2-fluoro-4-(naphthalen-2-yl)phenyl]-6-({1-[(1-hydroxycyclopropyl)carbonyl]azetidin-3-yl}methyl)-4,6-diazaspiro[2.4]hept-4-en-7-one
    —— 5-O-(tert-butyldimethylsilyl)-4-C-(tert-butyldimethylsilyloxymethyl)-1,2-O-isopropylidene-β-L-threo-pentofuranose 851050-36-7 C21H44O6Si2
    5-O-(tert-butyldimethylsilyl)-4-C-(tert-butyldimethylsilyloxymethyl)-1,2-O-isopropylidene-β-L-threo-pentofuranose
    —— 5-O-acetyl-1,2-anhydro-3,6-di-O-benzyl-β-D-mannofuranose 329025-09-4 C22H24O6
    5-O-acetyl-1,2-anhydro-3,6-di-O-benzyl-β-D-mannofuranose
    —— 5-(5-chloro-2-methoxy-phenyl)-3-hexyl-dihydro-furan-2-one 109155-56-8 C17H23ClO3
    5-(5-chloro-2-methoxy-phenyl)-3-hexyl-dihydro-furan-2-one
    —— (+/-)-5-(4-dimethylamino-phenyl)-1<i>t</i>,5-diphenyl-pent-1-en-3-one 103046-26-0 C25H25NO
    (+/-)-5-(4-dimethylamino-phenyl)-1<i>t</i>,5-diphenyl-pent-1-en-3-one
    —— 5-Methoxymethyl-vanillin 92315-85-0 C10H12O4
    5-Methoxymethyl-vanillin
    —— 5-phenethyloxymethyl-furan-2-carboxylic acid-(β,β'-bis-dimethylamino-isopropyl ester) 110685-15-9 C21H30N2O4
    5-phenethyloxymethyl-furan-2-carboxylic acid-(β,β'-bis-dimethylamino-isopropyl ester)
    —— (5Z,7E)-(1S,3R,22S)-1,3-bis[[dimethyl(1,1-dimethylethyl)silyl]oxy]-25-(2-methyl-1,3-dioxolan-2-yl)-26,27-cyclo-24a-homo-9,10-secocholesta-5,7,10(19)-trien-22-ol 223107-69-5 C44H78O5Si2
    (5Z,7E)-(1S,3R,22S)-1,3-bis[[dimethyl(1,1-dimethylethyl)silyl]oxy]-25-(2-methyl-1,3-dioxolan-2-yl)-26,27-cyclo-24a-homo-9,10-secocholesta-5,7,10(19)-trien-22-ol
    —— 5-(2-hydroxyethyl)-3-(8-{4-[imino(pyrrolidin-1-yl)methyl]phenoxy}octyl)-4-methyl-1,3-thiazol-3-ium dichloride 1204604-34-1 C25H38N3O2S*ClH*Cl
    5-(2-hydroxyethyl)-3-(8-{4-[imino(pyrrolidin-1-yl)methyl]phenoxy}octyl)-4-methyl-1,3-thiazol-3-ium dichloride
    —— (5S)-[3-(4-methyl-3-thioxo-3,4-dihydro-2H-benzo[1,4]oxazin-7-yl)-2-oxo-oxazolidin-5-ylmethyl]-carbamic acid tert-butyl ester 864073-65-4 C18H23N3O5S
    (5S)-[3-(4-methyl-3-thioxo-3,4-dihydro-2H-benzo[1,4]oxazin-7-yl)-2-oxo-oxazolidin-5-ylmethyl]-carbamic acid tert-butyl ester
    —— 5refH-Bicyclo<3.2.2>nonen-(8)-carbonsaeure-(6-cis)-hydrazid 23217-54-1 C10H16N2O
    5refH-Bicyclo<3.2.2>nonen-(8)-carbonsaeure-(6-cis)-hydrazid
    —— 5-dehydro-3-hydro-5,7,13-tri-O-(trimethylsilyl)avermectin B1a aglycone 135419-93-1 C43H72O8Si3
    5-dehydro-3-hydro-5,7,13-tri-O-(trimethylsilyl)avermectin B1a aglycone
    —— 5'-hydroxy-2''-methoxy-4-methyl-<i>m</i>-terphenyl-4'-carboxylic acid 124117-99-3 C21H18O4
    5'-hydroxy-2''-methoxy-4-methyl-<i>m</i>-terphenyl-4'-carboxylic acid
    —— 5-<Fluoranthenyl-(3)>-valeriansaeure 6846-77-1 C21H18O2
    5-<Fluoranthenyl-(3)>-valeriansaeure
    —— 5-(2-fluoro-phenyl)-2-methyl-thiazole-4-carboxylic acid {2-[(benzofuran-4-carbonyl)-amino]-ethyl}-cyclopropyl-amide 1117695-31-4 C25H22FN3O3S
    5-(2-fluoro-phenyl)-2-methyl-thiazole-4-carboxylic acid {2-[(benzofuran-4-carbonyl)-amino]-ethyl}-cyclopropyl-amide
    —— 5,6-bis(dodecyloxy)-2,1,3-benzothiadiazole 1313875-99-8 C30H52N2O2S
    5,6-bis(dodecyloxy)-2,1,3-benzothiadiazole
    —— 5-(1H-tetrazol-2-yl)thiophene-2-carboxylic acid 1383629-41-1 C6H4N4O2S
    5-(1H-tetrazol-2-yl)thiophene-2-carboxylic acid
    —— (5R,7S,13R)-13-(m-tolyl)-2,9-dioxa-12-azadispiro[4.1.47.25]tridecane-1,8-dione 1464809-34-4 C17H19NO4
    (5R,7S,13R)-13-(m-tolyl)-2,9-dioxa-12-azadispiro[4.1.47.25]tridecane-1,8-dione
    —— 5-Oxo-tricyclo[6.5.0.0<sup>2,9</sup>]tridec-11-ene-4-carboxylic acid ethyl ester 159145-52-5 C16H22O3
    5-Oxo-tricyclo[6.5.0.0<sup>2,9</sup>]tridec-11-ene-4-carboxylic acid ethyl ester
    —— 5-[bis-(4-ethoxycarbonyl-3,5-dimethyl-pyrrol-2-yl)-methylene]-3-methyl-5<i>H</i>-pyrrole-2,4-dicarboxylic acid diethyl ester 10087-68-0 C30H37N3O8
    5-[bis-(4-ethoxycarbonyl-3,5-dimethyl-pyrrol-2-yl)-methylene]-3-methyl-5<i>H</i>-pyrrole-2,4-dicarboxylic acid diethyl ester
    —— 5-nitro-furan-2-carbaldehyde pyrimidin-2-ylhydrazone 13293-09-9 C9H7N5O3
    5-nitro-furan-2-carbaldehyde pyrimidin-2-ylhydrazone
    —— 5-Thioxo-3-<4-ethyl-phenylimino>-4-<4-ethyl-phenyl>-1.2.4-triazol 94069-60-0 C18H20N4S
    5-Thioxo-3-<4-ethyl-phenylimino>-4-<4-ethyl-phenyl>-1.2.4-triazol
    —— 5-methyl-2,4-dinitro-<i>N</i>,<i>N</i>'-di-<i>m</i>-tolyl-<i>m</i>-phenylenediamine 110247-67-1 C21H20N4O4
    5-methyl-2,4-dinitro-<i>N</i>,<i>N</i>'-di-<i>m</i>-tolyl-<i>m</i>-phenylenediamine
    —— 5-Brom-N-methyl-3,4-phthaloyl-acridon 114946-13-3 C22H12BrNO3
    5-Brom-N-methyl-3,4-phthaloyl-acridon
    —— 5ξ-diphenylamino-penta-2ξ,4-dienal-phenylimine; hydrochloride 114793-34-9 C23H20N2*ClH
    5ξ-diphenylamino-penta-2ξ,4-dienal-phenylimine; hydrochloride
    —— 5-butoxymethyl-2-methyl-3<i>H</i>-pyrimidin-4-one 99167-56-3 C10H16N2O2
    5-butoxymethyl-2-methyl-3<i>H</i>-pyrimidin-4-one
    —— 5-methylthio-2,2',3,4',5',6-hexachlorobiphenyl 240122-28-5 C13H6Cl6S
    5-methylthio-2,2',3,4',5',6-hexachlorobiphenyl
    —— 5-Benzoyl-1-methyl-1,5-dihydro-[1,2,3]triazole-4,4-dicarboxylic acid dimethyl ester 76003-67-3 C14H15N3O5
    5-Benzoyl-1-methyl-1,5-dihydro-[1,2,3]triazole-4,4-dicarboxylic acid dimethyl ester
    —— 5-cyclohex-1-enyl-3-[(trans-4-methyl-cyclohexanecarbonyl)-cis-(3-oxo-2-aza-spiro[4.5]dec-8-yl)-amino]-thiophene-2-carboxylic acid methyl ester 915216-09-0 C29H40N2O4S
    5-cyclohex-1-enyl-3-[(trans-4-methyl-cyclohexanecarbonyl)-cis-(3-oxo-2-aza-spiro[4.5]dec-8-yl)-amino]-thiophene-2-carboxylic acid methyl ester
    —— 5-(3,4-dihydro-2H-benzo[1,4]oxazine-6-ylmethylene)-2-thioxo-thiazolidin-4-one 719309-12-3 C12H10N2O2S2
    5-(3,4-dihydro-2H-benzo[1,4]oxazine-6-ylmethylene)-2-thioxo-thiazolidin-4-one
    —— 5',6',8-trimethoxy-1',3',3'-trimethyl-6-nitrospiro[chromene-2,2'-indole] 84292-78-4 C22H24N2O6
    5',6',8-trimethoxy-1',3',3'-trimethyl-6-nitrospiro[chromene-2,2'-indole]
    —— 5,8-dimethoxy-1,3,4,9-tetraphenyl-4,9-dihydro-naphtho[2,3-<i>c</i>]furan-4,9-diol 35157-33-6 C38H30O5
    5,8-dimethoxy-1,3,4,9-tetraphenyl-4,9-dihydro-naphtho[2,3-<i>c</i>]furan-4,9-diol
    —— 5-acetyl-3-isobutyl-dihydro-furan-2-one 10263-80-6 C10H16O3
    5-acetyl-3-isobutyl-dihydro-furan-2-one