Table 2. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| N6—H6B⋯Cl1i | 0.88 (2) | 2.32 (2) | 3.1731 (13) | 162.7 (18) |
| N6—H6A⋯N4ii | 0.93 (2) | 1.91 (2) | 2.8381 (17) | 175 (2) |
Symmetry codes: (i) 
; (ii) 
.
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