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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O9—H9⋯O7i	0.838 (10)	2.04 (2)	2.783 (3)	148 (3)

Symmetry code: (i) .