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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C1—H1B⋯O1i	0.97	2.53	3.2692 (16)	133
C8—H8⋯O4ii	0.93	2.52	3.3640 (17)	152

Symmetry codes: (i) ; (ii) .