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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1A⋯Oi	0.86	2.08	2.880 (3)	155
C3—H3A⋯O	0.93	2.48	2.884 (3)	106
C9—H9A⋯O	0.96	2.28	2.721 (4)	107

Symmetry code: (i) .