(2S,5S)-1-((Methoxycarbonyl)-L-valyl)-5-methylpyrrolidine-2-carboxylic acid

for the following products (2S,5S)-1-((S)-2-((Methoxycarbonyl)amino)-3-methylbutanoyl)-5-methylpyrrolidine-2-carboxylic acid | (5S)-N-(Methoxycarbonyl)-L-valyl-5-methyl-L-proline and (2S,5S)-1-((Methoxycarbonyl)-L-valyl)-5-methylpyrrolidine-2-carboxylic acid