Stock photography picture of Crystals of idovudine (INN) - also called azidothymidine AZT or ZDV. An antiretroviral drug, seen through polarized light

AXW2HM - Licenced Caption Crystals of idovudine (INN) - also called azidothymidine AZT or ZDV. An antiretroviral drug, seen through polarized light Description Crystals of idovudine (INN) or azidothymidine (AZT) (also called ZDV) is an antiretroviral drug, the first approved for treatment of HIV. It is also sold under the names Retrovir and Retrovis, and as an ingredient in Combivir, Epzicom and Trizivir. It is an analog of thymidine. The crystals have been photographed through polarized light