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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N2′—H2′A⋯O1i	0.91	1.88	2.762 (14)	164
N2—H2C⋯O1i	0.91	1.87	2.773 (12)	170

Symmetry code: (i) .