<chemical> A homolog of ergonovine containing one more ch2 group. (merck index, 11th ed) ... Pharmacological action: oxytocics. ... Chemical name: Ergoline-8-carboxamide, 9,10-didehydro-N-(1-(hydroxymethyl)propyl)-6-methyl-, (8beta(S))- ... (12 Dec 1998) ... 
(meth″il-er″go-no´vin) an oxytocic used as the maleate salt especially to prevent or combat postpartum hemorrhage or atony.