Corypalline and O-methylcorypalline, two alkaloids from Papaver bracteatum

Corypalline and O-methylcorypalline, two alkaloids from Papaver bracteatum Alkaloids of Papaver bracteatum: 14-β-hydroxycodeinone, 14-β-hydroxycodeine and N-methylcorydaldine New Papaveraceae Alkaloids Including an 7,8-Oxygenated Isoquinoline, the Postulated Precursor of the Cularine Alkaloids Alpinine, epialpinine and other alkaloids from Papaver bracteatum The alkaloidal constituents of Papaver bracteatum arya II Alkaloids of Papaver bracteatum SalutaridineN-Oxide from the Capsules ofPapaver bracteatum Salutaridine<i>N</i>-Oxide from the Capsules of<i>Papaver bracteatum</i> Quaternary Isoquinoline Alkaloids from Papaver Species Über Papaver bracteatum LINDL. IV. Mitteilung Zur Struktur des Alkaloids E