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

Cg is the centroid of the C4–C9 ring.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O5—H5⋯N2	0.82	1.85	2.5844 (18)	148
C10—H10C⋯Cgi	0.96	2.64	3.521 (2)	152

Symmetry code: (i) .