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

Cg1 is the centroid of the pyran ring (C7/C8/C13/O1/C14/C15).

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N2—H2A⋯O3	0.90 (2)	1.89 (2)	2.595 (3)	134 (2)
C2—H2⋯O4i	0.93	2.55	3.442 (4)	162
C10—H10B⋯Cg1ii	0.97	2.77	3.527 (3)	136
C16—H16B⋯Cg1iii	0.96	2.73	3.606 (4)	153

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