Ethanol → Ethyl 4-(4-methyl-2-pyridyl)-2,4-dioxobutanoate

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[C:1]([C:2]([O:4][CH2:3][CH3:5])=[O:6])(=[O:7])[O:8][CH2:9][CH3:10].[CH3:12][CH2:13][O-:14].[CH3:15][c:16]1[cH:17][c:18]([C:22]([CH3:23])=[O:24])[n:19][cH:20][cH:21]1.[CH3:26][CH2:27][OH:28].[Na+:11].[OH2:25]>>[C:1]([C:2](=[O:4])[CH2:23][C:22]([c:18]1[cH:17][c:16]([CH3:15])[cH:21][cH:20][n:19]1)=[O:24])(=[O:7])[O:8][CH2:9][CH3:10]