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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O5—H5C⋯N4i	0.84 (3)	2.19 (2)	2.997 (4)	161 (4)
O5—H5D⋯N3ii	0.84 (3)	1.98 (3)	2.804 (4)	168 (3)
O10—H10C⋯N8iii	0.83 (4)	2.09 (3)	2.916 (3)	170 (3)
O10—H10D⋯N6	0.84 (4)	2.35 (2)	3.132 (3)	156 (3)
O11—H11C⋯N4iv	0.84 (4)	2.01 (3)	2.845 (4)	177 (3)
O11—H11D⋯N7v	0.84 (3)	2.09 (3)	2.920 (4)	176 (4)

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