company easton pa 1985 p 1418 the disclosure of which is hereby incorporated by reference in its entirety the 34 pharmaceutical agents 34 for use in the methods of the invention related to the coadministration of compounds of formula ii and formula iii include but are not limited to anticancer agents as well as differentiating agents for example the pharmaceutical agent can be a cytokine an interleukin an anti cancer agent a chemotherapeutic agent an antibody a conjugated antibody an immune stimulant an antibiotic a hormone antagonist or a growth stimulant the pharmaceutical agent can also be a cytotoxic agent cytotoxic agents include antiviral nucleoside antibiotics such as ganciclovir acyclovir and famciclovir cytotoxic agents can also include radiation therapy as used herein the 34 chemotherapeutic agents 34 include but are not limited to alkylating agents purine and pyrimidine analogs vinca and vinca like alkaloids etoposide and etoposide like drugs corticosteroids nitrosoureas antimetabolites platinum based cytotoxic drugs hormonal antagonists anti androgens and antiestrogens the 34 cytokines 34 for use herein include but are not limited to interferon preferably u03b1 u03b2 or u03b3 interferon as well as il 2 il 3 g csf gm csf and epo as used herein an 34 immune stimulant 34 is a substance such as c parvum or sarcolectin which stimulates a humoral or cellular component of the immune system the chemotherapeutic agents of the invention include but are not limited to.