tert-butyl 6-(2-hydroxy-2,2-diphenylethyl)-2-oxo-1,2-dihydropyridine-3-carboxylate

二苯甲酮

1,2-dihydro-6-methyl-2-oxo-3-pyridinecarboxylic acid, t-butyl ester

3-氰基-6-甲基-2-吡啶酮

2-羟基-6-甲基烟酸