for the following products
(R)-2-((tert-Butoxycarbonyl)(methyl)amino)propanoic acid | Boc-D-MeAla-OH | Boc-D-N-Me-Ala-OH | N-alpha-tert-Butyloxycarbonyl-N-alpha-methyl-D-alanine | N-Boc-N-Methyl-D-alanine | N-[(1,1-Dimethylethoxy)carbonyl]-N-methyl-D-alanine and Boc-N-Me-D-Ala-OH
