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

Cg2 is the centroid of the C1–C6 ring.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C10—H10⋯N4i	0.93	2.45	3.344 (2)	163
C8—H8A⋯Cg2ii	0.97	2.88	3.692 (2)	142

Symmetry codes: (i) ; (ii) .