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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O3—H31⋯N2	0.90	1.99	2.890 (3)	174
O3—H32⋯O1i	0.90	2.33	3.202 (3)	163
C20—H20⋯O3ii	0.93	2.43	3.208 (4)	142

Symmetry codes: (i) ; (ii) .