"L-Proline,4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-1-(phenylmethyl)-,methyl ester,(4S)-"
"L-Proline,4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-1-(phenylmethyl)-,methyl ester,(4S)-"
"L-Proline,4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-1-(phenylmethyl)-,methyl ester,(4S)-"
"L-Proline,4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-1-(phenylmethyl)-,methyl ester,(4S)-"