3-ethyl - 2 metyl -1-pentene give the structure above the equation
https://pubchem.ncbi.nlm.nih.gov/compound/1-Pentene_-3-ethyl-2-methyl#section=2D-Structure Hello Sri,
The molecular formula for the above equation is C8H16.
The structure is drawn as given in the above link, please refer.
Hope this might help you,
Thank you :)