(Z)-11,13-bis(p-methoxybenzyl)-11,13-diaza-2-oxabicyclo<7.2.2>tridec-4-ene-10,12-dione

(Z)-6-(tetrahydro-2H-pyran-2-yloxy)hex-4-en-1-ol

(Z)-1-(tetrahydropyranyloxy)-6-iodo-2-hexene

8,10-bis(p-methoxybenzyl)-8,10-diaza-6-hydroxy-5-methylene-1-methylbicyclo<4.2.2>decane-7,9-dione

(1S,6R)-2-Eth-(Z)-ylidene-1-hydroxy-7,9-bis-(4-methoxy-benzyl)-7,9-diaza-bicyclo[4.2.2]decane-8,10-dione