7-chloro-1-methyl-2H-3,1-benzothiazine-4-thione

7-chloro-1-ethyl-2H-3,1-benzothiazine-4-thione

7-chloro-1-propan-2-yl-2H-3,1-benzothiazine-4-thione

3,9-dichloro-5-methylacridine

3,9-dichloro-5-methoxyacridine