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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O101—H101⋯O202	0.82	1.82	2.625 (3)	168
O201—H201⋯O102	0.82	1.90	2.700 (2)	164
C212—H21R⋯O202i	0.96	2.60	3.519 (4)	159

Symmetry code: (i) .