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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1⋯O2i	0.82 (3)	2.24 (3)	2.974 (2)	149 (2)
C7—H7C⋯O1ii	0.96	2.45	3.264 (3)	142

Symmetry codes: (i) ; (ii) .