Chemistry - Trying to name aromatic compounds and organic chemistry molecules

[chemistry7]

Im trying to name the following molecules
1-
CH3-CH2-CH-CH2-CH-CH2-CH2-CH3
l l
CH3 CH2
l
CH3

2-
CH3-CH2-CH-CH2-CH-CH3
l l
CH2 CH2
l l
CH3 CH3

3.
CH3-CH2-CHCH=CHCH3
l
CH3

4.
CH3CH2C=(with an extra line) CCHCH2CH3
l
CH2
l
CH3

 

[Borek]

What naming rules do you know?

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