First of all, we need to decide what kind of organic matter we are dealing with. And the main thing is to highlight the main chain. In this case, it has pentane with substituents. the first volume of Br A has methyl radicals at 2 and 3 carbon atoms. So in the final form, the structural formula of 1-bromo-2,3-dimethylpentane looks like this.
CH2Br-CH (CH3) -CH (CH3) -CH2-CH3
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