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

Cg1 is the centroid of the C2–C7 benzene ring.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1⋯O3i	0.86	2.11	2.868 (4)	146
C9—H9⋯O2	0.93	2.36	3.015 (4)	127
C10—H10⋯O1ii	0.93	2.53	3.453 (4)	173
C1—H1C⋯Cg1iii	0.96	2.76	3.639 (6)	153

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