335. Alkaloids from Croton species. Part II. Structural determination of base A, linearisine, and crotonosine from C. linearis jacq.

335. Alkaloids from Croton species. Part II. Structural determination of base A, linearisine, and crotonosine from C. linearis jacq. Alkaloids from Croton species. Part IV. The isolation and structure of a new proaporphine derivative from Croton linearis Jacq. Alkaloid biosynthesis in Croton linearis Alkaloids from Croton species. Part X. Two new reduced proaporphine alkaloids Alkaloids from Croton species. Part VIII. Morphinandienone derivatives from Croton linearis Jacq. Alkaloids from Croton species. Part X. Two new reduced proaporphine alkaloids Studies on proaporphine and aporphine alkaloids. Part VII. Stereochemistry of reduced proaporphines of Croton sparsiflorus and C. linearis 3-methoxy-4,6-dihydroxymorphinandien-7-one, an alkaloid from Croton bonplandianum Two New Morphinandienone Alkaloids from Croton micradenus The alkaloids of croton sparsiflorus