HTR6 and cancer: Taking into account the potential use of aminoquinazolinederivativesin the treatment of cancer, as well as the unexplained role of serotoninreceptors, in particular 5-HT6R in the treatment of gliomas,we decided to design and obtain a library of nonselective 5-HT6R ligands (with a possible affinity for other serotonin receptors)based on the long-chain 2-aminoquinazoline sulfonamides core and evaluatetheir anticancer activity on selected cell lines.