The identification of alkaloids from the stems ofPicrasma quassioidesvia computer-assisted structure elucidation and quantum chemical calculations

The identification of alkaloids from the stems ofPicrasma quassioidesvia computer-assisted structure elucidation and quantum chemical calculations Seven Alkaloids from Picrasma quassioides and Their Cytotoxic Activities Two new β-carboline alkaloids from the stems of Picrasma quassioides Canthin-6-one alkaloids fromPicrasma quassioidesand their cytotoxic activity Quassidines A−D, Bis-β-carboline Alkaloids from the Stems of <i>Picrasma quassioides</i> Quassidines A−D, Bis-β-carboline Alkaloids from the Stems of <i>Picrasma quassioides</i> New Alkaloids, Picrasidines W, X and Y, from Picrasma quassioides and X-Ray Crystallographic Analysis of Picrasidine Q. Studies on the alkaloids from Picrasma quassioides Bennet. VI. Structures of picrasidines N, O, and Q. A new cinnamamide derivative and two new β-carboline alkaloids from the stems of Picrasma quassioides New Alkaloids, Picrasidines W, X and Y, from Picrasma quassioides and X-Ray Crystallographic Analysis of Picrasidine Q.