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    中文名称 英文名称 CAS号 化学式
    3-氧代-3,4-二氢-2H-苯并[b][1,4]噁嗪-6-甲腈 3-oxo-3,4-dihydro-2H-benzo[b][1,4]oxazine-6-carbonitrile 134997-74-3 C9H6N2O2
    3-氧代-3,4-二氢-2H-苯并[B][1,4]噁嗪-5-羧酸 3-oxo-3,4-dihydro-2H-benzo[1,4]oxazine-5-carboxylic acid 483282-25-3 C9H7NO4
    3-氧代-3,4-二氢-2H-苯并[1,4]噁嗪-7-甲醛 3-oxo-3,4-dihydro-2H-benz[1,4]oxazine-7-carboxaldehyde 200195-19-3 C9H7NO3
    3-氧代-3,4-二氢-2H-吡啶并[3,2-b][1,4]噻嗪-6-羧酸甲酯 methyl 3-oxo-3,4-dihydro-2H-pyrido[3,2-b][1,4]thiazine-6-carboxylate 443956-13-6 C9H8N2O3S
    3-氧代-3,4-二氢-2H-吡啶并[3,2-b][1,4]噻嗪-6-羧酸 3-oxo-3,4-dihydro-2H-pyrido[3,2-b][1,4]thiazine-6-carboxylic acid 443956-14-7 C8H6N2O3S
    3-氧代-3,4-二氢-2H-吡啶并[3,2-b][1,4]噻嗪-6-甲醛 3-oxo-3,4-dihydro-2H-pyrido[3,2-b][1,4]thiazine-6-carbaldehyde 443956-16-9 C8H6N2O2S
    3-氧代-3,4-二氢-2H-吡啶并[3,2-b][1,4]噁嗪-6-羧酸 3-oxo-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine-6-carboxylic acid 337463-89-5 C8H6N2O4
    3-氧代-3,4-二氢-2H-吡啶并[3,2-b][1,4]噁嗪-6-甲醛 3-oxo-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine-6-carbaldehyde 443956-11-4 C8H6N2O3
    3-氧代-3,4-二氢-2H-吡啶[3,2-B][1,4]恶嗪-2-羧酸乙酯 ethyl 3-oxo-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine-2-carboxylate 313656-84-7 C10H10N2O4
    3-氧代-3,4-二氢-2H-1,4-苯并噁嗪-7-羧酸 3-oxo-3,4-dihydro-2H-benzo[b][1,4]oxazine-7-carboxylic acid 214848-62-1 C9H7NO4
    3-氧代-3,4-二氢-2H-1,4-苯并噁嗪-6-甲酸甲酯 methyl 3-oxo-3,4-dihydro-2H-1,4-benzoxazine-6-carboxylate 202195-67-3 C10H9NO4
    3-氧代-3,4-二氢-2-喹喔啉甲酸乙酯 ethyl 3-oxo-4H-quinoxaline-2-carboxylate 36818-07-2 C11H10N2O3
    3-氧代-3,4-二氢-2-喹喔啉甲腈 3-cyano-2-oxo-1,2-dihydroquinoxaline 34731-47-0 C9H5N3O
    3-氧代-3,4,5,6,7,8-六氢-2-喹喔啉甲腈 1,2,5,6,7,8-hexahydro-3-oxoquinoxaline-2-carbonitrile 130647-45-9 C9H9N3O
    3-氧代-2H-1,4-苯并噻嗪-6-甲酸甲酯 methyl 3-oxo-3,4-dihydro-2H-benzo[b][1,4]thiazine-6-carboxylate 188614-01-9 C10H9NO3S
    3-氧代-2H,4H-苯并[b][1,4]恶嗪-6-硼酸频哪醇酯 6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2H-1,4-benzoxazin-3(4H)-one 943994-02-3 C14H18BNO4
    3-氧代-24-去甲齐墩果-12-烯-28-酸 hedragonic acid 466-02-4 C29H44O3
    3-氧代-22-羟基乌苏-12-烯-30-酸甲酯 methyl (1R,2R,4S,4aR,6aR,6aS,6bR,8aR,12aR,14bS)-4-hydroxy-1,4a,6a,6b,9,9,12a-heptamethyl-10-oxo-1,2,3,4,5,6,6a,7,8,8a,11,12,13,14b-tetradecahydropicene-2-carboxylate 109974-21-2 C31H48O4
    3-氧代-22,23-二羟基乌苏-12-烯-30-酸甲酯 regelinol 109974-22-3 C31H48O5
    3-氧代-2-藜芦基-丁酸乙酯 3-oxo-2-veratroyl-butyric acid ethyl ester 76787-81-0 C15H18O6
    3-氧代-2-苯氧基丁酸乙酯 Ethyl 2-phenoxy-3-oxobutanoate 7699-83-4 C12H14O4
    3-氧代-2-苯基哌嗪-1-羧酸叔丁酯 tert-butyl 3-oxo-2-phenylpiperazine-1-carboxylate 911705-40-3 C15H20N2O3
    3-氧代-2-苯基哌嗪 3-phenylpiperazin-2-one 5368-28-5 C10H12N2O
    3-氧代-2-苯基丙烯酰氯化物 (chlorocarbonyl)phenyl ketene 17118-70-6 C9H5ClO2
    3-氧代-2-苯基丁醛 3-Oxo-2-phenylbutanal 63726-68-1 C10H10O2
    3-氧代-2-苯基丁酸苄酯 benzyl 3-oxo-2-phenylbutanoate 512176-79-3 C17H16O3
    3-氧代-2-苯基-4,4,5,5-四甲基咪唑啉-1-氧 2-phenyI-4,4,5,5-tetramethylimidazoline-1-oxyl-3-oxide 18390-00-6 C13H19N2O2
    3-氧代-2-苯基-3-(N-苯基苯胺基)丙酸甲酯 2,<i>N</i>,<i>N</i>-triphenyl-malonamic acid methyl ester 6636-17-5 C22H19NO3
    3-氧代-2-苯基-3-(4-甲基苯基)丙醛 3-oxo-2-phenyl-3-(p-tolyl)propanal 101109-89-1 C16H14O2
    3-氧代-2-苯基-3-(4-溴苯基)丙醛 3-oxo-2-phenyl-3-(4-bromophenyl)propanal 100954-46-9 C15H11BrO2
    3-氧代-2-苯基-2,3-二氢-1H-吡唑-4-羧酸乙酯 4-ethoxycarbonyl-1-phenyl-3-pyrazolin-5-one 88585-32-4 C12H12N2O3
    3-氧代-2-苯基-2,3,4,5-四氢-1H-吡唑并[3,4-c]吡啶-6(7h)-羧酸叔丁酯 tert-Butyl 3-oxo-2-phenyl-2,3,4,5-tetrahydro-1H-pyrazolo[3,4-c]pyridine-6(7H)-carboxylate 1215230-27-5 C17H21N3O3
    3-氧代-2-苯基-1H-异吲哚-1-甲酰胺 3-oxo-2-phenyl-2,3-dihydro-1H-isoindole-1-carboxamide 876516-16-4 C15H12N2O2
    3-氧代-2-膦酰氧基-丙酸 Tartronate semialdehyde phosphate 14886-81-8 C3H5O7P
    3-氧代-2-氮杂螺[4.5]癸烷-8-羧酸乙酯 ethyl 3-oxo-2-azaspiro[4.5]decane-8-carboxylate 1073559-59-7 C12H19NO3
    3-氧代-2-氮杂双环[2.2.1]庚烷-2-羧酸叔丁酯 3-oxo-2-aza-bicyclo[2.2.1]hept-5-ene-2-carboxylic acid tert-butyl ester 167081-32-5 C11H17NO3
    3-氧代-2-氮杂双环[2.2.1]庚烷-2-甲酰胺 2-carbamoyl-2-azabicyclo<2.2.1>heptan-3-one 167417-45-0 C7H10N2O2
    3-氧代-2-氮杂双环[2.2.1]庚-5-烯-2-甲酰胺 2-carbamoyl-2-azabicyclo<2.2.1>hept-5-en-3-one 132243-26-6 C7H8N2O2
    3-氧代-2-氧杂双环[3.2.0]庚烷-6-甲醛 2-Oxa-3-oxo-6-formyl-bicyclo[3.2.0]heptane 130464-76-5 C7H8O3
    3-氧代-2-氧杂双环[2.2.1]庚烷-5-羧酸 3-oxo-2-oxa-bicyclo[2.2.1]heptane-5-carboxylic acid 1027355-51-6 C7H8O4
    3-氧代-2-氧杂-5-氮杂双环[2.2.1]庚烷-5-羧酸叔丁酯 tert-butyl 3-oxo-2-oxa-5-azabicyclo[2.2.1]heptane-5-carboxylate 87250-97-3 C10H15NO4
    3-氧代-2-氧代-氧杂-8-氮杂螺[4.5]癸-8-羧酸叔丁酯 tert-butyl 3-oxo-2-oxa-8-azaspiro[4.5]decane-8-carboxylate 203662-19-5 C13H21NO4
    3-氧代-2-戊烷基乙酸酯 2-Acetoxy-3-pentanon 2983-05-3 C7H12O3
    3-氧代-2-戊基戊二酸二乙酯 diethyl 2-pentyl-3-oxoglutarate 70553-34-3 C14H24O5
    3-氧代-2-戊基吲唑-1-羧酸乙酯 Ethyl 3-oxo-2-pentyl-2,3-dihydro-1H-indazole-1-carboxylate 89438-44-8 C15H20N2O3
    3-氧代-2-戊基-1-环戊烯-1-乙酸甲酯 (3-oxo-2-pentyl-cyclopent-1-enyl)-acetic acid methyl ester 24863-70-5 C13H20O3
    3-氧代-2-十四烷基十八烷酸 3-Oxo-2-tetradecyloctadecanoic acid 51048-16-9 C32H62O3
    3-氧代-2-十四烷基十八烷酸 3-Hydroxy-2-tetradecyloctadec-2-enoic acid 578-31-4 C32H62O3
    3-氧代-2-丙基环戊烷乙酸甲酯 2-Propyl-3-oxocyclopentyl-methylacetat 42186-33-4 C11H18O3
    3-氧代-2-丙基戊酸乙酯 ethyl 2-propyl-propionylacetate 67244-24-0 C10H18O3