Acetic acid (R)-4-methyl-3-(2-oxo-ethyl)-pentyl ester

(R)-1-bromo-3,4-dimethylpentane

(R)-1-bromo-3-ethyl-4-methylpentane

(S)-1-bromo-3-ethyl-4-methylpentane

(S)-3-(2-Benzyloxy-ethyl)-4-methyl-pentanal