1)СH2= CH-CH2-CH2- CH2 - CH3
2)CH3 - C = CH - CH2 - CH3
!
CH3
C2H5
!
3) CH2 = CH -C - CH - CH2 -CH2 -CH2 -CH3
! !
CH3 CH3
C2H5
!
4)CH3 - C = C - C - CH2 - CH2 -CH3
! ! !
CH3 C2H5 C2H5
CH3 CH3
! !
5)CH3 - C - C = CH - C - CH2 - CH2 - CH2 - CH2 - CH3
! ! !
CH3 CH CH3
/ \
CH3 CH3