Synonyms: Ergotaman-3',6',18-trione,2-(3-oxo-1,2-benzisothiazol-2(3H)-yl)-12'-hydroxy-2'-methyl-5'-(2-methylpropyl)-,S,S-dioxide, (5'a)-;8H-Oxazolo[3,2-a]pyrrolo[2,1-c]pyrazine, ergotaman-3',6',18-trione deriv.;Indolo[4,3-fg]quinoline, ergotaman-3',6',18-trione deriv.; Saccharinoergosine