for the following products
(S)-2-(((Benzyloxy)carbonyl)(methyl)amino)-3-methylbutanoic acid | Cbz-N-Methyl-L-valine | N-alpha-Benzyloxycarbonyl-N-alpha-methyl-L-valine | N-Benzyloxycarbonyl-N-methyl-L-valine | Z-L-MeVal-OH | Z-MeVal-OH | Z-N-Me-Val-OH and Benzyloxycarbonyl-N-alpha-methyl-L-valine
