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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1—H12⋯N12i	0.82	1.83	2.652 (2)	178
C12—H7⋯O2ii	0.93	2.49	3.213 (3)	135

Symmetry codes: (i) ; (ii) .