Classification and nomenclatureHard
Question
What is the correct IUPAC name for the following compound ?

Options
A.3,4 - Dimethyl -3-n - propyl nonane
B.6, 7 - Dimethyl -2- n- propyl nonane
C.6,7- Dimethyl -7- ethyl decane
D.4- Ethyl- 4, 5 - dimethyl decane