Studies on the alkaloids from Picrasma quassioides Bennet. VI. Structures of picrasidines N, O, and Q.

Studies on the alkaloids from Picrasma quassioides Bennet. VI. Structures of picrasidines N, O, and Q. Studies on the alkaloids from Picrasma quassioides Bennet. VI. Structures of picrasidines N, O, and Q. New Alkaloids, Picrasidines W, X and Y, from Picrasma quassioides and X-Ray Crystallographic Analysis of Picrasidine Q. 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. V. Structures of picrasidines L,M, and P. Studies on the alkaloids from Picrasma quassioides BENNET. IX. Structures of two .BETA.-carboline dimeric alkaloids, picrasidines-G and -S. Studies on the alkaloids from Picrasma quassioides BENNET. IX. Structures of two .BETA.-carboline dimeric alkaloids, picrasidines-G and -S. Studies on the alkaloids from Picrasma quassioides BENNET. V. Structures of picrasidines L,M, and P. Studies on the alkaloids from Picrasma quassioides Bennet. VII. Structures of .BETA.-carboline dimer alkaloids, picrasidines-H and -R. Studies on the alkaloids from Picrasma quassioides Bennet. IV. Structures of picrasidines I, J, and K.