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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1—H1⋯O2i	0.82	1.82	2.636 (3)	178
O3—H3⋯O4ii	0.82	1.85	2.672 (3)	175
C4—H4A⋯O2	0.97	2.19	2.834 (3)	123

Symmetry codes: (i) ; (ii) .