Table 1. Hydrogen-bond geometry (Å, °).

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C13—H13⋯N4i	0.95	2.48	3.428 (3)	175

Symmetry code: (i) -x+{\script{5\over 2}}, y+{\script{1\over 2}}, -z+{\script{1\over 2}}.