c 2 H5 CH3 CH 3
а) CH3 | | |
| Д) С2Н5-СН-С-СН2-СН-СН3
CH3-CH-C-CH2-CH2-CH3 |
| | CH3
CH3 CH3
СН3 CH3
| |
б) С2H5-CH-C-C-CH3
| | |
CH3 CH3 CH3
CH3 CH3
| |
В) СН3-СН-СН-С-СН2-СН-СН3
| | |
CH2 CH3 CH2-CH3
|
CH3
г) Сн3-СН2-СН-СН2-СН-СН2-СН-СН2-СН3
| | |
CH3 CH2-CH3 CH2
| |
CH2 CH2
| |
CH2 CH3
|
CH3