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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O2—H2A⋯O1i	0.89	1.73	2.617 (7)	174
O2—H2B⋯O5	0.89	1.90	2.775 (8)	169
N6—H6A⋯O6i	0.88	2.32	3.190 (9)	169

Symmetry code: (i) .