title: Plant anticancer agents. XII. Isolation and structure elucidation of new cytotoxic quinones from Tabebuia cassinoides.
mesh_terms: D000972:Antineoplastic Agents, Phytogenic / Q000302:isolation & purification*; D055598:Chemical Phenomena; D002621:Chemistry; D006801:Humans; D009374:Neoplasms, Experimental / Q000188:drug therapy; D010946:Plants, Medicinal / Q000032:analysis*; D011809:Quinones / Q000302:isolation & purification*
chemical_list: D000972:Antineoplastic Agents, Phytogenic; D011809:Quinones