2-<2-(1,2-dihydro-5-methoxybenzocyclobutenyl)ethyl>-2-ethenyl-2,3,4,5-tetrahydro-4-phenylthiomethylenefuran-3-one

5-(1,2-dihydro-5-methoxybenzocyclobutenyl)-3-hydroxypent-1-ene

4-Methoxy-3-[2-(4-methoxy-bicyclo[4.2.0]octa-1(6),2,4-trien-7-yl)-ethyl]-hexa-1,4,5-trien-3-ol

4-[1-Hydroxy-meth-(E)-ylidene]-2-[2-(4-methoxy-bicyclo[4.2.0]octa-1(6),2,4-trien-7-yl)-ethyl]-2-vinyl-dihydro-furan-3-one