824424-89-7 Oxacyclododec-9-en-2-one,12-[(1S,3E,5R,6R,8R)-6,8-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-1,3,5-trimethyl-3-nonenyl]-6-hydroxy-7,9-dimethyl-, (6S,7S,9E,12R)- 824424-93-3 4,8-Dioxa-3,9-disilaundecane,2,2,3,3,5,9,9,10,10-nonamethyl-7-(2-propenyl)-, (5S,7S)-