1-Methyllysergic acid pyrrolidide 4-25-00-00970 (Beilstein Handbook Reference) 7221-79-6 BRN 0048565 D-1-Methyl lysergic acid pyrrolidide Ergoline-8-beta-carboxylic acid, 9,10-didehydro-1,6-dimethyl-, pyrrolidide MPD-75