Hydrogen bonding in 2-amino-4-methoxy-6-methylpyrimidine, 2-benzylamino-4-benzyloxy-6-methylpyrimidine and 4-benzylamino-2,6-bis(benzyloxy)pyrimidine: π-stacked chains of fusedR22(8) rings, and centrosymmetricR22(8) dimers | Publicación