Nα-Boc-L-phenylalanyl-L-prolyl-glycine methyl ester
N-prolylglycine
H-Gly-Pro-OH
(R)-3-[(2-{[(S)-1-(3,3,3-Triphenyl-propionyl)-pyrrolidine-2-carbonyl]-amino}-acetylamino)-methyl]-piperidine-1-carboxylic acid tert-butyl ester
(S)-1-(3,3,3-Triphenyl-propionyl)-pyrrolidine-2-carboxylic acid {[((S)-1-piperidin-3-ylmethyl)-carbamoyl]-methyl}-amide