In this task, you will be given sentences in which your task is to recognize the name of the drug or medicine. Drugs are substances that change a person's mental or physical state. They can affect how your brain works, how you feel and behave, your understanding, and your senses. Although there might be several correct answers, you need to write one of them.
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Question: Retinoic acid may increase the risk of bone marrow transplant nephropathy.

Answer: Retinoic acid


Question: Interferon-alpha-induced focal segmental glomerulosclerosis in chronic myelogenous leukemia: a case report and review of the literature.

Answer: Interferon-alpha


Question: We further used immunohistochemistry (IHC) to examine the relative role of platelet-derived growth factor-B (PDGF-B), insulin-like growth factor I (IGF-I), transforming growth factor-beta1 (TGF-beta1) and cyclooxygenase-2 (COX-2) in the pathogenesis of BCNU-related pulmonary fibrosis.

Answer:
BCNU