Table 2. Hydrogen-bond geometry (Å, °).

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1A⋯O1i	0.86	2.10	2.816 (3)	140
N1—H1B⋯O2ii	0.86	1.99	2.839 (3)	170
O3—H3⋯O2iii	0.82	1.94	2.7211 (19)	158

Symmetry codes: (i) ; (ii) ; (iii) .