Draw the following structures, exactly.
a) Draw the structures of 4 amines with formula C3H9N.
b) Draw the structures of all monoiodo derivatives of 3-methylpentane, C6H13I, which have the iodine on a tertiary carbon.
c) Draw the structure of an alkane that has 6 carbons and 2 tertiary carbons
d) Draw the structure of an alkane that has 8 carbons and only primary hydrogens.