pentoxifylline

noun

pent·​ox·​i·​fyl·​line ˌpen-ˌtäk-ˈsif-ə-ˌlēn 

: a methylxanthine derivative C₁₃H₁₈N₄O₃ that reduces blood viscosity, increases microcirculatory blood flow, and is used to treat intermittent claudication resulting from occlusive arterial disease see trental