[Studies on the derivatives of berberine and related alkaloids. VIII. On the mass spectrum of N-methohalides of tetrahydroprotoberberine alkaloids (author's transl)].
D001599:Berberine / Q000031:analogs & derivatives / Q000032:analysis; D001600:Berberine Alkaloids / Q000032:analysis*; D013058:Mass Spectrometry
D001600:Berberine Alkaloids; D001599:Berberine