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    中文名称 英文名称 CAS号 化学式
    (5Z)-1,5-辛二烯-3-酮 (Z)-1,5-Octadien-3-one 65767-22-8 C8H12O
    (5Xi)-1,2,4,6-四-O-乙酰基-3-O-苄基-alpha-D-木糖基-吡喃己糖 1,2,4,6-tetra-O-acetyl-3-O-benzyl-α-D-mannopyranoside 65827-58-9 C21H26O10
    (5S,8S,9S,10S,13S,14S,17S)-17-羟基-10,13-二甲基-4,5,6,7,8,9,11,12,14,15,16,17-十二氢-1H-环戊并[a]菲-2-甲醛 2-Formyl-androsten-(2)-ol-(17β) 601-16-1 C20H30O2
    (5S,6S)-6-氨基-5-羟基-1,3-环己二烯-1-甲醛 6-Amino-1-formyl-5-hydroxy-1,3-cyclohexadiene 60046-57-3 C7H9NO2
    (5S,6S)-5-乙酰氧基-5,6-二氢-4,6-二甲氧基-6-[(E)-2-苯乙烯基]-2H-吡喃-2-酮 (5S,6S)-(+)-5-Acetoxy-6-methoxy-kawain 60037-33-4 C17H18O6
    (5S,6R)-6-乙基-5,6,7,8-四氢-5-羟基-3-(羟基甲基)-4H-1-苯并吡喃-4-酮 Diplodiol 69199-05-9 C12H16O4
    (5S,6R)-5-(烯丙氧基)-6-乙烯基-5,6-二氢-2H-吡喃-2-酮 (2R,3S)-2-ethenyl-3-prop-2-enoxy-2,3-dihydropyran-6-one 634196-52-4 C10H12O3
    (5S)-5-羟基己腈 (S)-(+)-5-hydroxyhexanenitrile 65451-90-3 C6H11NO
    (5S)-5-异丁基-2-吡咯烷酮 (+)-5(S)-(2-Methylpropyl)-2-pyrrolidinone 62430-05-1 C8H15NO
    (5S)-5-[(beta-D-吡喃葡萄糖基氧基)甲基]-2(5H)-呋喃酮 (-)-ranunculin 644-69-9 C11H16O8
    (5S)-5-(羟基甲基)-3-异丙基-1,3-恶唑烷-2-酮 (S)-5-hydroxymethyl-3-(methylethyl)oxazolidinone 68430-29-5 C7H13NO3
    (5S)-5,6-异丙撑二氧-6-甲基-庚烷-2-酮 (6S)-5,6-dihydroxy-5,6-O-isopropylidene-6-methylheptan-2-one 61262-94-0 C11H20O3
    (5S)-3,5-二羟基癸腈 (5S)-3,5-dihydroxydecanenitrile 646057-20-7 C10H19NO2
    (5S)-1-(氯乙酰基)-5-甲基-L-脯氨酰胺 (2S,5S)-1-(2-chloroacetyl)-5-methyl-pyrrolidine-2-carboxylic acid amide 676561-05-0 C8H13ClN2O2
    (5RS,6RS)-6-羟基-2,2,7,7-四甲基-5-(1,2,4-三唑-1-基)辛酮-3 3-Octanone, 6-hydroxy-2,2,7,7-tetramethyl-5-(1H-1,2,4-triazol-1-yl)-, (5R,6R)-rel- 69141-50-0 C14H25N3O2
    (5R,7S,8S,8aR)-5-乙基-7,8-二羟基己氢[1,3]恶唑并[3,4-a]吡啶-3-酮 (5R,7S,8S,8aR)-5-Ethyl-7,8-dihydroxy-hexahydro-oxazolo[3,4-a]pyridin-3-one 675130-49-1 C9H15NO4
    (5R,6S)-5,6-二氢萘并[2,3-d][1,3]二氧杂环戊烯-5,6-二醇 (5R,6S)-5,6-Dihydro-naphtho[2,3-d][1,3]dioxole-5,6-diol 637777-29-8 C11H10O4
    (5R,6S)-1-氯-7,8-二去氢-4,5-环氧-17-甲基-吗喃-3,6-二醇 monochloromorphine 63690-31-3 C17H18ClNO3
    (5R,6R)-6-氨基-3-甲基-7-氧代-4-硫杂-1-氮杂双环[3.2.0]庚-2-烯-2-羧酸 (5R,6R)-6-amino-3-methyl-7-oxo-4-thia-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid 64195-73-9 C7H8N2O3S
    (5R,6R)-3-(2-乙酰氨基基乙基硫基)-6-乙基-7-氧代-1-氮杂双环[3.2.0]庚-2-烯-2-羧酸 PS-5 67007-79-8 C13H18N2O4S
    (5R)-5-苄基-2-吡咯烷酮 (5R)-5-benzylpyrrolidin-2-one 63328-11-0 C11H13NO
    (5R)-5-氟-D-赖氨酸 (5R)-5-fluoro-D-lysine 667464-74-6 C6H13FN2O2
    (5R)-5-[(1E,3R)-4,4-二氟-3-羟基-4-苯基-1-丁烯基]-1-[6-(1H-四唑-5-基)己基]-2-吡咯烷酮 5-(4,4-Difluoro-3-hydroxy-4-phenylbut-1-en-1-yl)-1-[6-(2H-tetrazol-5-yl)hexyl]pyrrolidin-2-one 634193-54-7 C21H27F2N5O2
    (5R)-5-(羟基甲基)-3-异丙基-1,3-恶唑烷-2-酮 (+)-(R)-5-(hydroxymethyl)-3-isopropyloxazolidin-2-one 68430-37-5 C7H13NO3
    (5R)-3,5-二羟基癸腈 (5R)-3,5-dihydroxydecanenitrile 646057-18-3 C10H19NO2
    (5R)-2-异丙烯基-5-甲基环己醇 isopulegol 628693-74-3 C10H18O
    (5R)-2,2,3-三甲基-5-苄基-4-咪唑啉酮三氟乙酸 (R)-5-benzyl-2,2,3,-trimethylimidazolidin-4-one trifluoroacetic acid salt 685128-78-3 C2HF3O2*C13H18N2O
    (5E,8Z,11R,12Z,14Z)-11-氢过氧二十碳-5,8,12,14-四烯酸 DL-2,4-diamino-1,2,4-trideoxy-chiro-inositol 62708-21-8 C6H14N2O3
    (5E)-5-[(E)-3-(2-硝基苯基)丙-2-烯亚基]-2-巯基-噻唑烷-4-酮 5-[3-(2-nitro-phenyl)-allylidene]-2-thioxo-thiazolidin-4-one 6329-19-7 C12H8N2O3S2
    (5E)-5-[(3-羟基-4-甲氧基-苯基)亚甲基]-2-硫代-四氢噻唑-4-酮 5-(3-hydroxy-4-methoxy-benzylidene)-2-thioxo-thiazolidin-4-one 69505-47-1 C11H9NO3S2
    (5E)-5-(3-乙氧基-4-羟基亚苄基)-2-疏基-1,3-噻唑-4(5H)-酮 (Z)-5-(3-ethoxy-4-hydroxybenzylidene)-2-thioxothiazolidin-4-one 6322-57-2 C12H11NO3S2
    (5E)-5-(3,4-二氯亚苄基)-2-疏基-1,3-噻唑-4(5H)-酮 5-(3,4-dichloro-benzylidene)-2-thioxo-thiazolidin-4-one 6326-22-3 C10H5Cl2NOS2
    (5E)-5-(2-乙氧基亚苄基)-2-疏基-1,3-噻唑-4(5H)-酮 (5Z)-5-(2-ethoxybenzylidene)-2-sulfanyl-1,3-thiazol-4(5H)-one 6319-50-2 C12H11NO2S2
    (5E)-5-(2,6-二氯亚苄基)-2-疏基-1,3-噻唑-4(5H)-酮 (5Z)-5-[(2,6-dichlorophenyl)methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one 65562-49-4 C10H5Cl2NOS2
    (5E)-5-(1,2-二氢-5H-四唑-5-亚基)-2-(2-丙氧基苯基)-4(5H)-嘧啶酮 2-(2-propoxy-phenyl)-5-(1(2)<i>H</i>-tetrazol-5-yl)-3<i>H</i>-pyrimidin-4-one 64634-09-9 C14H14N6O2
    (5E)-2-疏基-5-(2-硝基亚苄基)-1,3-噻唑-4(5H)-酮 (5Z)-5-(2-nitrobenzylidene)-2-thioxo-1,3-thiazolidin-4-one 6308-22-1 C10H6N2O3S2
    (5E)-(1-11C)-5-十四碳烯腈 9-Tetradecennitril 61549-50-6 C14H25N
    (5-苯基-2-四唑)-乙酸肼 (5-phenyl-2H-tetrazol-2-yl)acethydrazide 67037-01-8 C9H10N6O
    (5-苯基-1,3,4-噻二唑-2-基)硫脲 (5-phenyl-[1,3,4]thiadiazol-2-yl)-thiourea 66181-18-8 C9H8N4S2
    (5-羟基-6-甲氧基己基)苯 (5-Hydroxy-6-methoxyhexyl)benzol 63223-29-0 C13H20O2
    (5-碘-2-苯基甲氧基苯基)甲醇 (2-benzyloxy-5-iodophenyl)methanol 636594-69-9 C14H13IO2
    (5-硫代-1,5-二氢-4H-1,2,4-三唑-4-基)乙酸 (3-thioxo-2,3-dihydro-[1,2,4]triazol-4-yl)-acetic acid 61336-27-4 C4H5N3O2S
    (5-硝基吡啶-2-基)丙二酸二乙酯 diethyl 2-(5-nitropyridin-2-yl)malonate 60891-70-5 C12H14N2O6
    (5-硝基-噻吩-2-基)-苯基-甲醇 (5-Nitro-thiophen-2-yl)-phenyl-methanol 61464-24-2 C11H9NO3S
    (5-甲酰基-2-萘)氨基甲酸叔丁酯 (5-formylnaphthalen-2-yl)carbamic acid tert-butyl ester 685902-48-1 C16H17NO3
    (5-甲酰基-2-羟基苯基)乙酸酯 acetic acid 5-formyl-2-hydroxy-phenyl ester 65298-99-9 C9H8O4
    (5-甲氧基哒嗪-3-基)甲醇 (5-methoxy-pyridazin-3-yl)-methanol 627525-69-3 C6H8N2O2
    (5-甲氧基-2-硝基-4-苯基甲氧基苯基)甲醇 (4-(benzyloxy)-5-methoxy-2-nitrophenyl)methanol 64154-63-8 C15H15NO5
    (5-甲氧基-2-甲基苯基)硼酸 (5-methoxy-2-methylphenyl)boronic acid 617689-07-3 C8H11BO3
    (5-甲氧基-2-甲基-4-硫氰基苯氧基)乙酸甲酯 (5-Methoxy-2-methyl-4-thiocyanato-phenoxy)-acetic acid methyl ester 600134-66-5 C12H13NO4S