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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N8—H8⋯O10i	0.86	2.15	2.865 (16)	141
C11—H11B⋯O10ii	0.97	2.18	3.03 (2)	145

Symmetry codes: (i) ; (ii) .