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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1A⋯O2i	0.86	2.05	2.821 (4)	149
O1—H1B⋯O3	0.82	1.92	2.636 (4)	145
N2—H2A⋯O3ii	0.86	2.10	2.898 (4)	154

Symmetry codes: (i) ; (ii) .