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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1—H1A⋯N1	0.83 (2)	1.87 (2)	2.605 (2)	146.0 (19)
N2—H2A⋯O3i	0.835 (17)	2.051 (17)	2.8258 (17)	154.2 (15)

Symmetry code: (i) .