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

Cg1 is the centroid of the C7–C12 benzene ring.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1N1⋯O2	0.859 (18)	2.004 (18)	2.6464 (18)	130.9 (15)
N1—H1N1⋯N3i	0.859 (18)	2.345 (17)	3.0281 (18)	136.7 (15)
C15—H15A⋯O1ii	0.96	2.47	3.346 (2)	151
C1—H1A⋯Cg1iii	0.93	2.90	3.5962 (16)	132

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