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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O4—H4⋯O7i	0.86	1.61	2.460 (2)	172
O12—H12⋯O10ii	0.86	1.80	2.656 (2)	171

Symmetry codes: (i) ; (ii) .