<3aS-<3aα,4α,7aα,7α(2E,4S*,5R*)>>-tetrahydro-2,2-dimethyl-4-<2-<<(1,1-dimethylethyl)diphenylsilyl>oxy>ethyl>-7-<5-<<(1,1-dimethylethyl)dimethylsilyl>oxy>-4-methyl-2-hexenyl>-4H-1,3-dioxolo<4,5-c>pyran

ethyl (2S,3S)-3-hydroxy-2-methylbutanoate

(S-(R*,S*))-3-(((1,1-dimethylethyl)dimethylsilyl)oxy)-2-methylbutanoic acid ethyl ester

3,5-hexadienoic acid chloride