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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1—H1⋯N1	0.927 (16)	1.735 (17)	2.5840 (13)	150.8 (14)
C8—H8B⋯O1	0.98	2.29	2.9546 (16)	125
C9—H9A⋯O1	0.98	2.44	3.0720 (15)	122