1922 A. 122 i. 47 Ergotamine, obtained in crystallisable form from ergot, on treatment with methyl alcohol gives a new, less active alkaloid, ergotaminine.
1961 2 Nov. 278/2 The first pure ergot alkaloids were obtained by Stoll in 1920, namely the pharmacologically-active compound ergotamine and the inactive mirror-image molecule ergotaminine.