The IUPAC name of the following compound is :

1, 1-Dimethyl-2-ethylcyclohexane
2-Ethyl-1,1-dimethylcyclohexane
1-Ethyl-2,2-dimethylcyclohexane
2, 2-Dimethyl-1-ethylcyclohexane
Option 1)
1, 1-Dimethyl-2-ethylcyclohexane
Option 2)
2-Ethyl-1,1-dimethylcyclohexane
Option 3)
1-Ethyl-2,2-dimethylcyclohexane
Option 4)
2, 2-Dimethyl-1-ethylcyclohexane
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