for the following products
Fmoc-MeThr(Bzl)-OH | Fmoc-N-Me-Thr(Bzl)-OH | Fmoc-N-Methyl-O-benzyl-L-threonine | Fmoc-Nalpha-methyl-O-benzyl-L-threonine | N-alpha-(9-Fluorenylmethyloxycarbonyl)-N-alpha-methyl-O-benzyl-L-threonine and Fmoc-L-MeThr(Bzl)-OH