Anticancer chemotherapy agents include all of the following EXCEPT:
A. Alkylating agentsAnticancer agents include alkylating agents, antitumor antibiotics, antimetabolites, and plant alkaloids. Antimetabolites are cell-cycle specific agents that have their major activity in the S phase of the cell cycle. These drugs are most effective in tumors that have a high growth fraction, and include folate antagonists, purine antagonists, and pyrimidine antagonists.