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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1A⋯O2i	0.90	1.91	2.7357 (19)	153
N1—H1B⋯O3ii	0.90	1.91	2.7670 (19)	159

Symmetry codes: (i) ; (ii) .