I beleive the answer I chose is right! But want a verification! Please give explanation if possible!
What is the IUPAC name for the following compound?
4-Ethyl-5-methyloctane
4-Methyl-5-ethyloctane
4-Methyl-3-propylheptane
4-Methyl-5-propyloctane
Give the IUPAC name for the following structure: