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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N2—H2A⋯N3	0.86	2.34	2.714 (2)	107
N4—H4A⋯O1i	0.86	1.98	2.788 (2)	157

Symmetry code: (i) .