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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N2—H2A⋯N3	0.867 (18)	2.142 (18)	2.949 (2)	154.6 (16)
C2—H2⋯O1	0.95	2.30	2.890 (2)	119
C8—H8A⋯O1i	0.99	2.31	3.239 (2)	156
C8—H8B⋯N3	0.99	2.47	2.905 (2)	106
C12—H12⋯N1ii	0.95	2.57	3.498 (2)	166
C8—H8B⋯Cg2iii	0.99	2.68	3.494 (2)	140

Symmetry codes: (i) ; (ii) ; (iii) . Cg2 is the centroid of the N1/C1–C5 ring.