<unk>  is an antimetabolite that is FDA approved for the treatment of acute nonlymphocytic leukemias and chronic phase of chronic myelogenous leukemia.   Common adverse reactions include loss of appetite, nausea, stomatitis, vomiting and myelosuppression.
Thioguanine
Dihydrouracil
Lafutidine
4-Aminobenzoic acid
Mercaptopurine
Guanidine
Decitabine
Camptothecin