tripelennamine

noun

tri·​pel·​en·​na·​mine ˌtrī-pe-ˈlen-ə-ˌmēn  -mən 

: an antihistamine drug derived from pyridine and ethylenediamine and used in the form of its crystalline citrate C₁₆H₂₁N₃·C₆H₈O₇ or hydrochloride C₁₆H₂₁N₃·HCl see pyribenzamine