Draw the structures that correspond to the following names. Correct any names that are not in accord with the rules of systematic nomenclature.
(a) 4-Chloro-5-methylhexane
(b) 3-Methyl-3-propylpentane
(c) 1,1,1 -Trifluoro-2-methylpropane
(d) 4-(3-Bromobutyl)nonane