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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1—H1⋯N1	0.90	1.83	2.726 (2)	176
C8—H8⋯O2	0.93	2.53	3.222 (3)	131