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

Cg1 is the centroid of the C14–C19 benzene ring.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1n⋯O2i	0.85 (2)	2.05 (2)	2.8932 (18)	168.9 (19)
C4—H4⋯O1ii	0.95	2.57	3.382 (2)	144
C5—H5⋯O3iii	0.95	2.57	3.427 (2)	150
C9—H9B⋯O1ii	0.99	2.38	3.232 (2)	144
C10—H10A⋯Cg1iv	0.99	2.69	3.612 (2)	154

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