| 1-(1-cyclohexenyl)-2-(1-cyclopentenyl)ethyne |
| 1-(1-cyclopenten-1-ylethynyl)-cyclohexene |
| cyclohexene,1-(1-cyclopenten-1-ylethynyl)- |
| acetylene,(1-cyclohexen-1-yl)(1-cyclopenten-1-yl)- |
| 1-(1-cyclopenten-1-ylethynyl)cyclohexene |
| 1-(1-cyclohexen-1-yl),2-(cyclopenten-1-yl)ethyne |
