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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C2—H1⋯N9i	0.89 (2)	2.58 (2)	3.203 (2)	129 (2)

Symmetry code: (i) .