Alkaloids of the Annonaceae. Part 33. Annomontine and methoxyannomontine, two new pyrimidine-P carboline-type alkaloids from Annona montana. - Leboeuf,M.; Cavé,A.; Forgacs,P.; Provost,J.; Chiaroni,A.; Riche,C. (J Chem Soc [Perkin I], 1982)