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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C7—H7⋯O1	0.93	2.52	2.838 (2)	100
N1—H1⋯O1i	0.86	2.03	2.8314 (17)	155

Symmetry code: (i) .