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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1—H1⋯N1i	0.82	1.96	2.774 (3)	169
C7—H7⋯O1	0.98	2.39	2.866 (4)	109

Symmetry code: (i) .