Division of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State University, Columbus, Ohio 43210, and Adria Laboratories, Division of Erbemont Inc., Columbus, Ohio 43216. Received July 22, 1988 ... Several potentially bis(alky1ating) bis(quinones) (3-5) and 1,4- and 1,3-bis(alkylating) monoquinones (6-13) belonging to general structure 2,2'-ethylenebis[5-[ (leaving group)methyl]-l,4-benzoquinone]