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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1A⋯O1	0.85 (2)	2.31 (2)	2.906 (3)	127.0 (18)
N1—H1A⋯O2i	0.85 (2)	2.48 (2)	3.246 (3)	150.2 (19)

Symmetry code: (i) .