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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N2—H2B⋯Cl1ii	0.86	2.56	3.4143 (14)	171
N3—H3A⋯O3iii	0.86	1.86	2.7099 (18)	168
N4—H2A⋯Cl2iv	0.86	2.30	3.1336 (14)	165
O3—H1⋯Cl1v	0.815 (16)	2.428 (17)	3.2258 (13)	166 (2)
O3—H2⋯Cl3vi	0.844 (17)	2.454 (18)	3.2653 (13)	162 (2)

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