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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1N⋯O4	0.98 (7)	2.06 (8)	2.770 (7)	128 (6)
C9—H9⋯O3i	0.93	2.49	3.345 (8)	152

Symmetry code: (i) .