methylergonovine

noun

meth·​yl·​er·​go·​no·​vine ˌmeth-əl-ˌər-gə-ˈnō-ˌvēn 

: an oxytocic drug usually used in the form of its maleate C₂₀H₂₅N₃O₂·C₄H₄O₄ for the same applications and with the same effects as ergonovine see methergine