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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N2—H2⋯O2i	0.90 (1)	2.05 (2)	2.897 (2)	157 (3)
C4—H4⋯O1ii	0.93	2.58	3.469 (3)	160
C11—H11⋯N3iii	0.93	2.53	3.429 (4)	164
C13—H13⋯N1i	0.93	2.56	3.487 (3)	176

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