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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C2—H2⋯O1i	0.93	2.55	3.432 (4)	159
N2—H2A⋯N3ii	0.82 (4)	2.03 (4)	2.848 (4)	174 (3)

Symmetry codes: (i) ; (ii) .