52623-83-3 Defluina Oxayohimban-16-carboxylic acid, 16,17-didehydro-19-methyl-, methyl ester, (19-alpha)-, mixt. with (5'-alpha,10-alpha)-9,10-dihydro-12'-hydroxy-2'-(1-methylethyl)-5'-(phenylmethyl)ergotaman-3',6',18-trione monomethanesulfonate (salt) and (5'-alpha,10-alpha)-9,10-dihydro-12'-hydroxy-2'-methyl-5'-(phenylmethyl)ergotaman-3',6',18- trione monomethanesulfonate (salt)