135556-19-3 Ergotaman-3',6',18-trione, 9,10-dihydro-12'-hydroxy-2'-(1-methylethyl)-5'-(phenylmethyl)-, (5'alpha,10alpha)-, mixt. with 3,7-dihydro-7-(2-hydroxyethyl)-1,3-dimethyl-1H-purine-2,6-dione Ersilan