1)
CH3 CH3 CH3 CH3
| | | |
CH3- CH- CH- CH- CH- C- CH2-CH3
| |
CH3 C2H5
2)
CL CL C3H7
| | |
CH3-C-CH2-C-CH-CH2-CH2-CH3
CL CL
3)
CH3 CH3
CH3-CH-CH -CH -CH-CH2-CH-CH2-CH2-CH3
CH3 CH3 C3H7
1)
CH3 CH3 CH3 CH3
| | | |
CH3- CH- CH- CH- CH- C- CH2-CH3
| |
CH3 C2H5
2)
CL CL C3H7
| | |
CH3-C-CH2-C-CH-CH2-CH2-CH3
| |
CL CL
3)
CH3 CH3
| |
CH3-CH-CH -CH -CH-CH2-CH-CH2-CH2-CH3
| | |
CH3 CH3 C3H7