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Give the correct IUPAC name for the following compound: A) 3,4-Dimethyl-2-propylhexanal B) 4,5-Dimethyl-3-propylheptanal C) 2-Propyl-3,4-dimethylhexanal D) 4-Ethyl-3-methyl-2-propylpentanal E) 5,6-Dimethyl-4-octanone