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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1N1⋯O1i	0.86	2.20	3.003 (4)	155
C8—H8⋯O1i	0.93	2.42	3.234 (5)	146

Symmetry code: (i) .