(2R)-2-((3S,4R)-4-methyl-2-oxo-3-(3-oxobutyl)cyclohexyl)propanal;(2S,3R,6RS)-?,4-Dimethyl-2-oxo-3-(3-oxobutyl)cyclohexaneacetaldehyde; (2S,3R,6RS)-?,4-Dimethyl-2-oxo-3-(3-oxobutyl)cyclohexaneacetaldehyde; Artemether Ph. Int. Impurity A;(2S,3R,6RS)-2-(3-Oxobutyl)-3-methyl-6-[(R)-2-propanal]cyclohexanone
