Chemistry - Nomenclature Question with Solution | TestHub

The longest chain has 9 carbons (it runs through the t-butyl end).

Substituents: methyl on ${\mathrm{C}}_3$, $\mathrm{Cl}$ on ${\mathrm{C}}_4$, $\mathrm{Br}$ on ${\mathrm{C}}_6$ and two methyls on ${\mathrm{C}}_8$ = 5.