11-benzyloxy-1-bromo-6,10-dimethyl-5,6-epoxy-undecan-2-one

7-benzyloxy-2-[2-bromomethyl-2-methoxy-tetrahydrofuran-5-yl]-6-methyl-heptan-2-ol

11-benzyloxy-6,10-dimethyl-2-trimethylsiloxy-undec-1,5-diene