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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1—H10H⋯N1	0.82 (2)	2.27 (2)	2.754 (2)	118.0 (17)
O2—H20H⋯O1	0.86 (2)	2.11 (2)	2.8602 (18)	144.9 (18)
O2—H20H⋯N2	0.86 (2)	2.17 (2)	2.695 (2)	119.1 (17)