Table 2. Hydrogen-bond geometry (Å, °) .

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O3—H3⋯O2i	0.82	1.87	2.661 (7)	163
C17—H17⋯O4	0.93	2.27	2.743 (8)	111
C18—H18B⋯O1ii	0.96	2.54	3.421 (10)	150

Symmetry codes: (i) ; (ii) .