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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—HN1⋯O1i	0.831 (15)	2.203 (15)	3.0164 (10)	166.3 (13)
C3—H3⋯O1ii	0.95	2.66	3.3146 (11)	127
C8—H8A⋯Cg1iii	0.99	2.84	3.697 (16)	145

Symmetry codes: (i) ; (ii) ; (iii) . Cg1 is the centroid of the C2–C7 benzene ring.