1-methyl-2-oxo-1,3-diazinane-5-carbaldehyde;1-methyl-2-oxo-hexahydropyrimidine-5-carbaldehyde;1-methyl-2-oxo-5-hexahydropyrimidinecarboxaldehyde;2-keto-1-methyl-hexahydropyrimidine-5-carbaldehyde
1-methyl-2-oxo-1,3-diazinane-5-carbaldehyde