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

Cg1 and Cg2 are the centroids of the C13A–C18A and O1A–C5A rings, respectively.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O3B—H3B1⋯O4A	0.84	1.83	2.6517 (11)	165
O3A—H3A1⋯O4B i	0.84	1.79	2.6329 (10)	178
C8A—H8A⋯Cg1ii	1.00	2.50	3.4710 (14)	165
C15A—H15A⋯Cg2iii	0.95	2.63	3.5470 (15)	162
C18A—H18B⋯Cg2iv	0.99	2.72	3.5492 (14)	141

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