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

Cg1 is the centroid of the C1–C6 ring.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1A⋯O3	0.90 (3)	1.89 (3)	2.601 (2)	134 (2)
C11—H11A⋯O6i	0.97	2.54	3.352 (2)	141
C11—H11B⋯O5ii	0.97	2.54	3.186 (2)	124
C10—H10A⋯Cg1iii	0.97	2.90	3.515 (2)	135
C16—H16B⋯Cg1iv	0.96	2.90	3.577 (3)	142

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