1,3-diphenyl-4,5,6,7-tetrahydro-2-benzofuran

1,3-dihydro-1,3-diphenyl-isobenzofuran

4,9-diphenyl-3a,4,9,9a-tetrahydro-4,9-epoxynaphtho[2,3-c]furan-1,3-dione

4,5-dibutylcyclohept-2-en-1-ol

2,5-dibutylcyclohept-3-en-1-ol