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    中文名称 英文名称 CAS号 化学式
    4-氧代-3,4-二氢喹唑啉-6-羧酸乙酯 ethyl 4-oxo-3,4-dihydroquinazoline-6-carboxylate 155960-91-1 C11H10N2O3
    4-氧代-3,4-二氢喹唑啉-2-羧酸肼 2-hydrazinocarbonylquinazolin-4(3H)-one 34632-71-8 C9H8N4O2
    4-氧代-3,4-二氢喹唑啉-2-甲醛 2-formylquinazoline-4(3H)-one 104968-03-8 C9H6N2O2
    4-氧代-3,4-二氢吡啶并[2,3-d]嘧啶-2-羧酸乙酯 ethyl 4-oxo-3,4-dihydropyrido[2,3-d]pyrimidine-2-carboxylate 55149-36-5 C10H9N3O3
    4-氧代-3,4-二氢吡啶-1(2H)-羧酸苄酯 benzyl 4-oxo-3,4-dihydropyridine-1(2H)-carboxylate 185847-84-1 C13H13NO3
    4-氧代-3,4-二氢吡啶-1(2H)-羧酸叔丁酯 tert-butyl 4-oxo-3,4-dihydropyridine-1(2H)-carboxylate 325486-45-1 C10H15NO3
    4-氧代-3,4-二氢-2H-螺[萘-1,4-哌啶]-1-羧酸叔丁酯 tert-butyl 4-oxo-3,4-dihydro-2H-spiro[naphthalene-1,4'-piperidine]-1'-carboxylate 948034-21-7 C19H25NO3
    4-氧代-3,4-二氢-2H-喹啉-1-羧酸叔丁酯 tert-butyl 4-oxo-3,4-dihydroquinoline-1(2H)-carboxylate 179898-00-1 C14H17NO3
    4-氧代-3,4-二氢-2H-吡喃-2-羧酸乙酯 ethyl 4-oxo-3,4-dihydro-2H-pyran-2-carboxylate 287193-06-0 C8H10O4
    4-氧代-2H-1,2-苯并恶唑-3-羧酸 3-Carboxy-4-hydroxybenzisoxazol 57764-43-9 C8H5NO4
    4-氧代-2H-1,2-苯并恶唑-3-甲酸甲酯 3-Carbomethoxy-4-hydroxybenzisoxazol 57764-45-1 C9H7NO4
    4-氧代-2-螺(哌啶-4-基)-苯并吡喃盐酸盐 spiro[chroman-2,4'-piperidin]-4-one 136081-84-0 C13H15NO2
    4-氧代-2-螺(N-叔丁基哌啶-4-基)-吡喃 tert-butyl 4-oxospiro[chromane-2,4'-piperidine]-1'-carboxylate 849928-22-9 C18H23NO4
    4-氧代-2-苯基环戊酸 4-oxo-2-phenyl-cyclopentanecarboxylic acid 85729-34-6 C12H12O3
    4-氧代-2-苯基戊酸乙酯 ethyl 4-oxo-2-phenylpentanoate 6303-83-9 C13H16O3
    4-氧代-2-苯基-5-乙烯基-3,4-二氢-2H-吡啶-1-羧酸苯酯 Phenyl 5-ethenyl-4-oxo-2-phenyl-2,3-dihydropyridine-1-carboxylate 173606-63-8 C20H17NO3
    4-氧代-2-苯基-4H-苯并吡喃-3-基乙酸酯 3-Acetoxy-flavon 7578-68-9 C17H12O4
    4-氧代-2-苯基-4H-1-苯并吡喃-8-乙酸乙酯 ethyl 4-oxo-2-phenyl-4H-1-benzopyran-8-acetate 87626-62-8 C19H16O4
    4-氧代-2-苯基-4H-1-苯并吡喃-8-乙腈 4-oxo-2-phenyl-4H-1-benzopyran-8-acetonitrile 87626-54-8 C17H11NO2
    4-氧代-2-苯基-4H-1-苯并吡喃-3-羧酸 flavone-3-carboxylic acid 77037-45-7 C16H10O4
    4-氧代-2-苯基-4-丙氧基丁酸 4-Oxo-2-phenyl-4-propoxybutanoic acid 152590-26-6 C13H16O4
    4-氧代-2-苯基-4-(4-苯基苯基)丁酸甲酯 4-biphenyl-4-yl-4-oxo-2-phenyl-butyric acid methyl ester 5333-39-1 C23H20O3
    4-氧代-2-苯基-4-(4-苯基苯基)丁腈 4-biphenyl-4-yl-4-oxo-2-phenyl-butyronitrile 63472-03-7 C22H17NO
    4-氧代-2-苯基-3,4-二氢吡啶-1(2H)-羧酸苄酯 N-<(Benzyloxy)carbonyl>-2-phenyl-2,3-dihydro-4-pyridone 126378-73-2 C19H17NO3
    4-氧代-2-苯基-2-(2-吡啶基)戊腈 4-oxo-2-phenyl-2-(2-pyridyl)pentanenitrile 101509-01-7 C16H14N2O
    4-氧代-2-苯基-1H-喹啉-8-羧酸乙酯 ethyl 2-phenyl-4-quinolone-8-carboxylate 90034-63-2 C18H15NO3
    4-氧代-2-苯基-1H-喹啉-8-羧酸 2-phenyl-4(1H)-quinolone-8-carboxylic acid 90034-64-3 C16H11NO3
    4-氧代-2-苯基-1H-喹啉-7-羧酸甲酯 4-hydroxy-2-phenylquinoline-1-carboxylic acid methyl ester 825620-22-2 C17H13NO3
    4-氧代-2-苯基-1H-喹啉-6-羧酸乙酯 ethyl 4-oxo-2-phenyl-1,4-dihydroquinoline-6-carboxylate 90033-86-6 C18H15NO3
    4-氧代-2-苯基-1H-喹啉-6-羧酸 4-oxo-2-phenyl-1,4-dihydroquinoline-6-carboxylic acid 90033-85-5 C16H11NO3
    4-氧代-2-苯基-1H-喹啉-3-羧酸 4-oxo-2-phenyl-1,4-dihydroquinoline-3-carboxylic acid 13180-35-3 C16H11NO3
    4-氧代-2-苯基-1-哌啶羧酸2-丙烯-1-基酯 1-Alloc-2-phenylpiperidin-4-one 849928-32-1 C15H17NO3
    4-氧代-2-色满羧酸 4-oxochroman-2-carboxylic acid 51048-00-1 C10H8O4
    4-氧代-2-羧基环庚烷 4-oxocycloheptanecarboxylic acid 90482-29-4 C8H12O3
    4-氧代-2-硫酮噻唑烷-3-羧酸甲酯 4-oxo-2-thioxo-thiazolidine-3-carboxylic acid methyl ester 67952-25-4 C5H5NO3S2
    4-氧代-2-硫酮噻唑烷-3-乙烷磺酸钾 Kalium-2-(rhodanin-3-yl)ethansulfonat 61681-02-5 C5H6NO4S3*K
    4-氧代-2-硫代-1H-喹唑啉-6-羧酸 1,2,3,4-Tetrahydro-4-oxo-2-thioxoquinazoline-6-carboxylic acid 34330-02-4 C9H6N2O3S
    4-氧代-2-硫代-1-咪唑烷甲醛 4-Oxo-2-sulfanylideneimidazolidine-1-carbaldehyde 183963-94-2 C4H4N2O2S
    4-氧代-2-硫代-1,2,3,4-四氢-5-嘧啶甲腈 5-cyano-2-thiouracil 23945-49-5 C5H3N3OS
    4-氧代-2-环戊烯羧酸甲酯 4-Oxo-cyclopent-2-enecarboxylic acid methyl ester 59895-12-4 C7H8O3
    4-氧代-2-环己烯-1,1-二甲酸乙酯 4,4-dicarboethoxy-2-cyclohexenone 64836-82-4 C12H16O5
    4-氧代-2-氮杂啶羧酸苯甲酯 4-(benzyloxycarbonyl)-2-azetidinone 87791-58-0 C11H11NO3
    4-氧代-2-氮杂丁烷羧酸 4-carboxy-2-azetidinone 98019-65-9 C4H5NO3
    4-氧代-2-氧杂环丁烷羧酸 β-malolactonic acid 90730-97-5 C4H4O4
    4-氧代-2-戊炔-1-基乙酸酯 1-acetyloxy-2-pentyne-4-one 329200-72-8 C7H8O3
    4-氧代-2-哌啶-1-基-4H-吡啶[1,2-A]嘧啶-3-苯甲醛 3-formyl-2-piperidino-4H-pyrido<1,2-a>pyrimidin-4-one 33345-96-9 C14H15N3O2
    4-氧代-2-吡咯烷-1-基-4H-吡啶并[1,2-a]-嘧啶-3-甲醛 4-oxo-2-(pyrrolidin-1-yl)-4H-pyrido[1,2-a]pyrimidine-3-carbaldehyde 111680-73-0 C13H13N3O2
    4-氧代-2-丙基戊酸 4-Oxo-Valproic acid 688-04-0 C8H14O3
    4-氧代-2-丙基戊腈 4-oxo-2-propylpentanenitrile 74322-92-2 C8H13NO
    4-氧代-2-丙基-3,4-二氢吡啶-1(2H)-羧酸苄酯 benzyl 2-propyl-4-oxo-3,4-dihydropyridine-1(2H)-carboxylate 145100-54-5 C16H19NO3