for the following products
(2S,3S)-2-((tert-Butoxycarbonyl)(methyl)amino)-3-methylpentanoic acid | Boc-MeIle-OH | Boc-N-Me-Ile | Boc-N-Me-Ile-OH | Boc-N-Methyl-L-isoleucine | N-alpha-tert-Butyloxycarbonyl-N-alpha-methyl-L-isoleucine and Boc-L-MeIle-OH