An indoloquinoline wherein the quarternary N-5 atom is a straight C(1-5) chain, a branched C(1-5) chain, a heteroatom chain, a straight chain substituted terminally by a cycloalkyl or aromatic ring, a branched chain substituted terminally by a cycloalkyl or aromatic ring, a heteroatom chain substituted terminally by a cycloalkyl or aromatic ring the 10 position is N—R10, O, S, S═O, CH2, or C═O, where R10 is a branched C(1-5) chain, a heteroatom chain, a straight chain substituted terminally by a cycloalkyl or aromatic ring, a branched chain substituted terminally by a cycloalkyl or aromatic ring, a heteroatom chain substituted terminally by a cycloalkyl or aromatic ring. In one embodiment the quarternary N-5 atom is —CH3 and the 10 position is N—(CH2)5-Ph.
