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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N2—H2A⋯O1	0.91 (1)	1.94 (2)	2.644 (2)	133 (2)
C3—H3⋯O2i	0.93	2.50	3.260 (2)	140

Symmetry code: (i) .