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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N3—H3A⋯N9i	0.88	1.97	2.821 (4)	164
N6—H6A⋯O3ii	0.88	2.41	3.046 (4)	130
N6—H6A⋯Cl2ii	0.88	2.66	3.312 (3)	132
N7—H7A⋯O3ii	0.88	2.45	2.976 (4)	119
N7—H7A⋯Cl2ii	0.88	2.68	3.290 (3)	127
N7—H7A⋯Cl3ii	0.88	2.82	3.424 (3)	128
O3—H3W⋯Cl3iii	0.904 (19)	2.56 (3)	3.386 (3)	152 (4)
O3—H3V⋯Cl4iv	0.909 (19)	2.61 (3)	3.402 (3)	146 (4)
O3—H3V⋯Cl5iv	0.909 (19)	2.69 (3)	3.406 (3)	136 (4)

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