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

Cg2 is the centroid of the C10–C15 benzene ring.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1—H1⋯O3i	0.88 (5)	1.58 (5)	2.447 (4)	168 (5)
O3—H3⋯N1	0.82	1.92	2.667 (4)	150
O4—H4⋯O2ii	0.82	1.85	2.669 (4)	174
C9—H9⋯O1iii	0.93	2.42	3.338 (5)	170
C14—H14⋯O3iv	0.93	2.60	3.499 (5)	164
C5—H5⋯Cg2v	0.98	2.97	3.772 (5)	140

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