for the following products
[1S-[1R*(R*),3r*,4r*]]-N-[4-amino-3-hydroxy-5-phenyl-1-(phenylmethyl)pentyl]tetrahydro-?-(1-methylethyl)-2-oxo-1(2H)-pyrimidineacetamide,5-oxo-L-proline salt and n-(4-Amino-1-benzyl-3-hydroxy-5-phenyl-pentyl)-3-methyl-2-(2-oxo-tetrahydro-pyrimidin-1-yl)-butyramide 5-oxopyrrolidine-2-carboxylic acid