1,4-戊二醇

(2R)-2-methylbutane-1,4-diol

(-)-(S)-5-p-toluenesulfonyloxymethyloxol-3-en-2-one

(R)-4-acetoxy-N,N-diisopropylpentanamide

(S)-2-[(R)-4-hydroxypentanamide]-3-phenyl-N-[(R)-1-phenylethyl]propanamide