Glyfoline (4, 1, 6-dihydroxy-l0-methyl-2, 3, 4, 5-tetramethoxyacridin-9-one) and ita congeners were synthesized for evaluation of their cytotoxicity. A detailed structureactivity relationshipa (SAR) of theae acridone derivatives were also studied. To study the SAR of glyfoline analogum, substituent (8) at C-1 and C-6 and at the heterocyclic nitrogen of glyfoline nucleus were modified. Nitre and amino-substituted glyfoline analogues were ...