Synonyms : Circanol, Co-Dergine Mesylate, Co-Dergocrine Mesilate, Dihydroergotoxine Methanesulfonate, Dihydroergotoxine Monomethanesulfonate, Ergodesit, Ergoloid Mesylate, Ergotoxin, Dihydro-, Monomethasulfonate, Hydergine, Redergam, Redergin, Redergine, Co Dergine Mesylate