Figure 2
Non-classical hydrogen bonding of disordered DMFA solvent molecules with molecules of 2-(1,3,7,9-tetramethyl-2,4,6,8-tetraoxo-1,2,3,4,6,7,8,9-octahydropyrido[2,3-d:6,5-d′]dipyrimidin-5-yl)benzamide related by the twofold axes of the space group. |