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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C6—H6⋯N9i	0.95	2.55	3.344 (4)	141
C11—H11⋯N2	0.95	2.34	3.006 (4)	127

Symmetry code: (i) .