英文别名(2R)-2-((3R,4S)-4-Methyl-2-oxo-3-(3-oxobutyl)cyclohexyl)propanal; (2R)-2-((3S,4R)-4-methyl-2-oxo-3-(3-oxobutyl)cyclohexyl)propanal; Artemether Impurity 1; Diketo aldehyde impurity of dihydroartemisinin; Cyclohexaneacetaldehyde, α,4-dimethyl-2-oxo-3-(3-oxobutyl)-, (αR,3S,4R)-; Artemether Impurity; Artemether Impurity 5