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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1A⋯O2i	0.86	1.79	2.648 (2)	174
C8—H8⋯O1ii	0.93	2.48	3.371 (3)	161

Symmetry codes: (i) ; (ii) .