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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1⋯O2i	0.77 (3)	2.06 (3)	2.821 (2)	168 (3)

Symmetry code: (i) .