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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C2—H2⋯O6i	0.98	2.40	3.1480 (17)	132
C18—H18C⋯O3ii	0.96	2.45	3.252 (2)	140

Symmetry codes: (i) ; (ii) .