Respuestas

2013-04-30T17:39:27+02:00

CH3 - CH2 - CH2 - CH2 - CH = CH - CH3

CH3 - CH2 - CH2 - CH2 - CHCH3 - CH =CH2

CH3 - CH2 - CH2 - C(CH3) = C(CH2 - CH3) - CH(CH3) - CH3