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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O2—H2A⋯N3i	0.82	2.01	2.816 (6)	169
C11—H11A⋯O2ii	0.98	2.43	3.366 (6)	160

Symmetry codes: (i) ; (ii) .