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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1A⋯O2i	0.89	2.00	2.892 (4)	176
N1—H1C⋯O3ii	0.89	2.05	2.921 (4)	165
N1—H1B⋯O1	0.89	2.09	2.884 (4)	149

Symmetry codes: (i) ; (ii) .