(3S,10S,5Z)-6,10-dimethyl-3-(2-trimethylsilylethoxy)methoxy-11-pivoyloxyundec-5-en-2-ol

(3S,10S,5Z)-6,10-dimethyl-3-(2-trimethylsilylethoxy)-methoxy-11-pivoyloxyundec-5-en-2-one

(2S,9S,4Z)-5,9-dimethyl-2-(2-trimethylsilylethoxy)methoxy-10-pivoyloxydec-4-en-1-ol

(2S)-1-tert-butyldimethylsilyloxy-5-methyl-4-( phenylsulfonyl)-2-(2-trimethylsilylethoxy)methoxyhex-5-ene

(2S,9S,6Z)-10-tert-butyldimethylsilyloxy-2,6-dimethyl-9-(2-trimethylsilylethoxy)methoxydec-6-en-1-ol