Question: What year was the pharmaceutical company that markets Mylotarg purchased by Pfizer?
Sentence (from "Gemtuzumab ozogamicin"): Gemtuzumab ozogamicin (marketed by Wyeth as Mylotarg) is a drug-linked monoclonal antibody (an antibody-drug conjugate) that was used to treat acute myeloid leukemia from 2000 to 2010.
Relevant evidence: Yes