for the following products
(2S,3R)-2-(((Benzyloxy)carbonyl)amino)-3-hydroxybutanoic acid | Cbz-L-threonine | N-alpha-Benzyloxycarbonyl-L-threonine | N-Benzyloxycarbonyl-L-threonine | N-Carbobenzoxy-L-threonine | N-Cbz-L-Threonine | Z-L-Thr-OH and Z-Thr-OH
