(S)-4-bromo-3-(3-methoxycarbonyl-3-methoxymethyl-6,7-dimethyl-2-oxooct-6-enyl)benzoic acid methyl ester

5-iodo-2,3-dimethyl-2-pentene

(S)-4-(2-bromo-5-methoxycarbonyl)-2-(3,4-dimethylpent-3-enyl)-2-methoxymethyl-3-oxopentanedioic acid dimethyl ester

dimethyl 2-(3,4-dimethyl-3-pentenyl)-2-methoxymethylmalonate

(R)-2-fluorocarbonyl-2-methoxymethyl-5,6-dimethylhept-5-enoic acid methyl ester