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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C4A—H4AA⋯O4Bi	0.93	2.59	3.408 (3)	147
C1B—H1BA⋯O4Aii	0.93	2.50	3.376 (3)	157
C12B—H12B⋯O4Bi	0.97	2.53	3.420 (3)	152
C13A—H13A⋯O4Aii	0.97	2.54	3.405 (3)	149

Symmetry codes: (i) ; (ii) .