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

Cg1 is the centroid of the N1/N2/C9–C11 ring.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C12—H12⋯Cg1i	0.93	2.90	3.765 (3)	156

Symmetry code: (i) .