title: Chemical and toxicological studies on bracken fern, Pteridium aquilinum var. latiusculum II. Structures of pterosins, sesquiterpenes having 1-indanone skeleton.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D005960:Glucosides / Q000302:isolation & purification; D007189:Indans / Q000302:isolation & purification*; D007192:Indenes / Q000302:isolation & purification*; D010947:Plants, Toxic / Q000032:analysis*; D012717:Sesquiterpenes / Q000302:isolation & purification*
chemical_list: D005960:Glucosides; D007189:Indans; D007192:Indenes; D012717:Sesquiterpenes