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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N—H1⋯O4	0.86	2.07	2.615 (6)	120
C9—H9A⋯O2	0.93	2.35	3.022 (6)	129