[3S,5R]-6-(4-methoxy-benzyloxy)-3,5-dimethyl-hexanenitrile

[2S,4R]-O-(4-toluene-sulfonate)-5-(4-methoxy-benzyloxy)-2,4-dimethyl-pentan-1-ol

2,4-dimethyl-pentanedioic acid monomethyl ester

[2R,4S]-2,4-dimethyl-pentanedioic acid monomethyl ester

[2R,4S]-5-(tert-butyl-dimethyl-silanyloxy)-2,4-dimethyl-pentanoic acid methyl ester