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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N2—H2⋯N1i	0.86	2.47	3.183 (2)	141
N2—H2⋯O3ii	0.86	2.44	3.041 (2)	127
N1—H1A⋯O1iii	0.89	2.27	3.106 (2)	156

Symmetry codes: (i) ; (ii) ; (iii) .