<qa>  What are the drugs used in chemotherapy?This phase II trial studies how well vosaroxin and cytarabine work in treating patients with untreated acute myeloid leukemia. Drugs used in chemotherapy, such as vosaroxin and cytarabine, work in different ways to stop the growth of cancer cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. 