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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O2—H1O2⋯N2i	1.04 (4)	1.66 (4)	2.675 (2)	166 (3)
C5—H5A⋯O3i	0.95	2.57	3.367 (2)	141
C9—H9A⋯O2i	0.95	2.46	3.177 (2)	132
C15—H15A⋯O3ii	0.99	2.34	3.314 (3)	167
C17—H17B⋯O5iii	0.99	2.51	3.429 (3)	154
C20—H20B⋯O4iv	0.99	2.55	3.340 (3)	137

Symmetry codes: (i) ; (ii) ; (iii) ; (iv) .