title: Obovatol and obovatal, novel biphenyl ether lignans from the leaves of Magnolia obovata Thunb.
mesh_terms: D000900:Anti-Bacterial Agents / Q000302:isolation & purification*; D001419:Bacteria / Q000187:drug effects; D001713:Biphenyl Compounds; D055598:Chemical Phenomena; D002621:Chemistry; D010647:Phenyl Ethers / Q000302:isolation & purification* / Q000494:pharmacology; D010944:Plants / Q000032:analysis*
chemical_list: D000900:Anti-Bacterial Agents; D001713:Biphenyl Compounds; D010647:Phenyl Ethers; C036796:obovatal; C036795:obovatol