A New Biflavonoid from Calophyllum panciflorum with Antitumor-Promoting Activity

A New Biflavonoid from <i>Calophyllum </i><i>p</i><i>anciflorum </i>with Antitumor-Promoting Activity A Novel Dibenzofuran and Two New Xanthones from Calophyllum panciflorum. Plant Antitumor Agents. 31.1 The Calycopterones, a New Class of Biflavonoids with Novel Cytotoxicity in a Diverse Panel of Human Tumor Cell Lines Chemical Constituents of <i>Calophyllum </i><i>b</i><i>rasiliensis</i>:  Structure Elucidation of Seven New Xanthones and Their Cancer Chemopreventive Activity Plant Anticancer Agents, XLVIII. New Cytotoxic Flavonoids from Muntingia calabura Roots Isolation of Potential Cancer Chemopreventive Agents from Eriodictyon californicum Isoprenylated Flavonoids from the Stem Bark of <i>Erythrina </i><i>abyssinica</i> Isoprenylated Flavonoids from the Stem Bark of <i>Erythrina </i><i>abyssinica</i> Flavanones from the stem bark of Erythrina abyssinica Cancer chemopreventive agents, 4-phenylcoumarins from Calophyllum inophyllum