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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N2—H2A⋯O3	0.86	2.05	2.900 (2)	169
N2—H2B⋯O1i	0.86	2.06	2.912 (2)	174
N3—H3⋯O2	0.86	1.94	2.800 (2)	179

Symmetry code: (i) .