4-methylidenenon-2-yne

methyl non-3-ynoate

7-pentyl-3,5-diazabicyclo[4.2.0]oct-7-ene-2,4-dione

6-fluoro-8-pentyl-2,4-diazabicyclo[4.2.0]oct-7-ene-3,5-dione

methyl (2Z,4E)-2,4-decadienoate