A Kowalska, K Pluta, A Masślankiewicz… - Journal of chemical …, 1999 - Springer
The title compound (C 8 H 10 N 4 O 2) is monoclinic, with a= 7.740 (2), b= 17.044 (7), c=
6.992 (3) Å, β= 100.60 (1)°, and space group P 2 1/c. Two O-methyl groups are coplanar …