with the sulfur atom of the thio group bound to a carbon atom of a six-membered aromatic ring being part of a condensed ring system

Full Title

Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups > containing thio groups and singly-bound oxygen atoms bound to the same carbon skeleton > having the sulfur atom of at least one of the thio groups bound to a carbon atom of a six-membered aromatic ring of the carbon skeleton > with the sulfur atom of the thio group bound to a carbon atom of a six-membered aromatic ring being part of a condensed ring system