Solvent and temperature effects in the determination of pyrrolizidine alkaloids with 4-(dimethylamino)benzaldehyde

Spectrophotometric determination of unsaturated pyrrolizidine alkaloids

1967 • 144 citations

The Alkaloids of Heliotropium europaeum L.. II. Isolation and structures of the third major alkaloid and two monor alkaloids, and isolation of the principal n-Oxides

1954 • 39 citations