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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O7—H9A⋯N10i	0.82	1.81	2.629 (5)	176
O4—H4⋯N5ii	0.82	1.82	2.636 (5)	173
N9—H7A⋯O2iii	0.86	1.94	2.789 (5)	171
N4—H4A⋯O5iv	0.86	1.89	2.745 (5)	171

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