Question

I am also having issues for this structure as well.

[CH*subscript3*CH*subscript2*C(CH*subscript3*)CH(CH*subscript3*)CHCH*suscript2*]+

it reads from left to right like this:
[CH3CH2C(CH3)CH(CH3)CHCH2]+

Answer 1

See if my response to your first post is any help. If you can draw the skeletal structure (as you have it), placing the dots should not be a problem.