In the title compound, C18H18ClN3O2S, the dihedral angle between the fused pyrazole and pyridine rings is 3.81 (9)°. The benzene ring forms dihedral angles of 35.08 (10) and 36.26 (9)° with the pyrazole and pyridine rings, respectively. In the crystal, weak C-H⋯O hydrogen bonds connect mol-ecules along [100].
Keywords: biological activity; crystal structure; pyrazolopyridine.
© Rao et al. 2020.