Sigma-Aldrich
CARBOBENZYLOXY-L-PHENYLALANYL-L-VALINE BENZYL ESTER
CARBOBENZYLOXY-L-THREONYL-L-PHENYLALANINAMIDE
CARBOBENZYLOXY-L-TRYPTOPHYLGLYCYLGLYCINE METHYL ESTER
CARBOBENZYLOXY-L-TYROSYL-L-TRYPTOPHANAMIDE
Copper
CARBOBENZYLOXYPHENYLALANYLISOLEUCINAMIDE
CARBOBENZYLOXYPROLYLVALINE METHYL ESTER
CARBOBENZYLOXYSARCOSYLGLYCINE METHYL ESTER
CARBOBENZYLOXYTRYPTOPHYLALANINE BENZYL ESTER