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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O4—H4⋯O3	0.82	1.91	2.630 (2)	146
N2—H2A⋯O3i	0.90	2.17	3.030 (2)	158

Symmetry code: (i) .