Ethyl 4-chloro-1,5-dimethyl-6-oxo-1,6-dihydropyridine-3-carboxylate
Ethyl 1-(6-oxo-1,6-dihydropyridazin-4-yl)piperidine-4-carboxylate
tert-Butyl (4-(hydroxymethyl)pyridin-2-yl)carbamate
2-Hydroxy-9-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
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