Canthinones from Simaba cuspidata

Canthinones from Simaba cuspidata Isolation of 4‐Hydroxy‐5‐methoxycanthin‐6‐one from Picrasma quassioides and Revision of a Previously Reported Structure Isolation of 4‐Hydroxy‐5‐methoxycanthin‐6‐one from <i>Picrasma quassioides</i> and Revision of a Previously Reported Structure New Canthin-6-one Alkaloids fromQuassia amara Studies on the constituents of Ailanthus altissima Swingle. On the alkaloidal constituents. Studies on the constituents of Ailanthus altissima Swingle. II. Alkaloidal constituents. Plant Anticancer Agents. XXIV. Alkaloid Constituents of Simaba multiflora Studies on the constituents of Ailanthus altissima Swingle. II. Alkaloidal constituents. Studies on the constituents of Ailanthus altissima SWINGLE. III. The alkaloidal constituents. Studies on the constituents of Ailanthus altissima SWINGLE. III. The alkaloidal constituents.