| 1-Pentyne | 2-Pentyne | 1,4-Pentadiene |
 |
 |
 |
C5H8
| 1-Pentyne | 2-Pentyne | 1,4-Pentadiene |
|
|
|
| cis-1,3-Pentadiene | trans-1,3-Pentadiene | 1,2-Pentadiene |
 |
 |
 |
| 2,3-Pentadiene | 3-Methyl-1,2-butadiene | 2-Methyl-1,3-butadiene |
 |
 |
 |
| 3-Methyl-1-butyne | Cyclopentene | Methylenecyclobutane |
 |
 |
 |
|
|||||||||
