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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1C⋯O1	0.94	1.82	2.756 (2)	173
C10—H10⋯N2i	0.93	2.59	3.467 (3)	158
O1—H1B⋯N4ii	0.91	1.96	2.869 (2)	174
O1—H1A⋯N5iii	0.87	1.94	2.808 (2)	174

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