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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O4—H4⋯O3	0.79 (4)	2.27 (4)	2.952 (3)	146 (5)
C9—H9A⋯O4	0.97	2.55	2.958 (3)	105
C5—H5⋯O4	0.98	2.57	2.925 (3)	101
C15—H15C⋯O2	0.96	2.53	2.913 (3)	104