Synonyms: 9,10-Dihydroergotamine mesylate;Diidroergotamina [DCIT];Ergotoman-3,6,18-trione,9,10-dihydro-12-hydroxy-2-methyl-5-(phenylmethyl)-, (5alpha)-, monomethanesulfonate (salt);Ergotamine, 9,10-dihydro-, monomethanesulfonate (salt);Ergotaman-3,6,18-trione, 9,10-dihydro-12-hydroxy-2-methyl-5-(phenylmethyl)-, (5alpha,10alpha)-;Dihytamine;Dihydroergotamine mesylate [USAN];DHE-45;Dihydergot;Dihydroergotaminum [INN-Latin];Dihydroergotamine methanesulfonate;DETMS;DHE 45;Dihidroergotamina [INN-Spanish];Ergotaman-3',6',18-trione,9,10-dihydro-12'- hydroxy-2'-methyl-5'-(phenylmethyl)-,(5'R,- 10R)-,monomethanesulfonate (salt);Dihydroergotamine monomethanesulfonate;Dihydroergotamine mesylate (USP);Ergotamine, 9,10-dihydro-;Dihydroergotamine mesilate;Dihydroergotamine mesilate (JP14);Migranal (TN);Dihydroergotamine mesylate;511-12-6;Dehydroergotamine;DHE;Migranal;