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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1⋯O6i	0.88 (5)	2.19 (5)	3.041 (4)	163 (5)
N2—H2⋯Cl1ii	0.854 (19)	2.71 (4)	3.408 (4)	140 (4)
O4—H4⋯Cl1iii	0.82	2.28	3.071 (3)	161
O6—H6⋯O1	0.82	2.34	2.608 (4)	100
O6—H6⋯O4iv	0.82	1.92	2.712 (4)	162
C6—H6A⋯Cl1ii	0.96	2.82	3.735 (5)	159

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