Answer
This is a Ketone, 2-Methyl-3-hexanone.
Work Step by Step
The structures for ketones are named according to the nomenclature system rules set by the IUPAC.
1. The longest hydrocarbon chain has 6 carbon atoms, thus it is a hexanone.
2. The numbering starts from the side that gives the $C=O$ the smallest number. In this case right-hand side.
3. A methyl group is found on carbon number 2.
