2-Diethyl-amino-6-methyl-pyrimidin-4(3H)-one.
The title compound, C(9)H(15)N(3)O, contains four mol-ecules (A, B, C and D) in the asymmetric unit. In the crystal, the A+A and D+D pairs form inversion dimers linked by pairs of N-H⋯O hydrogen bonds. The B+C pairing is linked by the same bonds. The dimers are further linked by weak C-H⋯O inter-actions.
College of Chemistry and Chemical Engineering, The North University for Ethnics, Yinchuan 750021,  People's Republic of China.
Mei-Yi
MY
Wang