title: l-usnic acid: tumor inhibitor isolated from lichens.
mesh_terms: D000818:Animals; D001572:Benzofurans / Q000302:isolation & purification / Q000627:therapeutic use*; D002277:Carcinoma / Q000188:drug therapy*; D008011:Lichens / Q000032:analysis; D008175:Lung Neoplasms / Q000188:drug therapy*; D008722:Methods; D051379:Mice; D009374:Neoplasms, Experimental / Q000188:drug therapy
chemical_list: D001572:Benzofurans