Which are the correct IUPAC
names of the following compound?
\[{{H}_{3}}C-C{{H}_{2}}C{{H}_{2}}C{{H}_{2}}-\underset{\underset{\underset{\underset{{{H}_{3}}C-\underset{\underset{C{{H}_{3}}}{\mathop{|}}\,}{\mathop{C}}\,-C{{H}_{3}}}{\mathop{|}}\,}{\mathop{\text{C}{{\text{H}}_{\text{2}}}}}\,}{\mathop{|}}\,}{\mathop{CH}}\,-C{{H}_{2}}C{{H}_{2}}C{{H}_{2}}C{{H}_{2}}-C{{H}_{3}}\](a)
5-(2?, 2?-Dimethylpropyl)-decane (b) 4-Butyl-2, 2-dimethylnonane
(c) 2,2-Dimethyl-4-pentyloctane (d)
5-neo-Pentyldecane