Нарисовать. 1.   2.2 диметилпентан 2.   2. метил бутан 3.   2.2.6 триметил 5 этилгептен-3

                CH3                  I 1) CH3 - C - CH2 -CH2 -CH3                  I                 CH3   2) CH3 - CH - CH2 - CH3                     I                  CH3                  CH3                   C2H5                  I                          I 3) CH3 - C - CH = CH - CH - CH - CH3                  I                                   I               CH3                             CH3