Skibo, E.B., Gordon, S., Bess, L., Boruah, R. and Heileman, M.J. (1997) Studies of Pyrrolo[1,2-a]benzimidazolequi- None DT-Diaphorase Substrate Activity, Topoisomerase II Inhibition Activity, and DNA Reductive Alkylation. Journal of Medicinal Chemistry, 40, 1327-1339.