title: [Studies on analogs of qinghaosu. VI. Synthesis of dihydroartemisic acid from the degradation product of qinghaosu-diketone].
mesh_terms: D037621:Artemisinins; D003500:Cyclization; D012717:Sesquiterpenes / Q000138:chemical synthesis*
chemical_list: D037621:Artemisinins; D012717:Sesquiterpenes; C031327:artemisinin