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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1A—H1OA⋯O2Ai	0.82	1.83	2.646 (3)	175
O1B—H1OB⋯O2Bii	0.82	1.80	2.618 (3)	172
N2A—H2NA⋯O4A	0.80 (3)	1.97 (3)	2.630 (4)	139 (3)
N2B—H2NB⋯O4B	0.88 (3)	1.90 (3)	2.627 (4)	139 (3)
C5A—H5AA⋯O3Aiii	0.93	2.44	3.316 (4)	157
C5B—H5BA⋯O3Biv	0.93	2.47	3.253 (4)	142

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