leucyl-l-leucine

glycyl-l-tyrosine

leucyl-l-tyrosine

d-alanyl-l-leucine

r-alanyl-leucine A

r-leucyl-isosériDe A

ac. 1. leucyl-d-glutamique

r-alanyl-glycyl-glycine

r-leucyl-glycyl-glycine

r-glycyl-leucyl-alanine

r-alanyl-leucyl-glycine

dialanyl-cystine

dileucyl-cystine

tétraglycyl-glycine

Polypeptides non bydrolysables.

d. alanyl-l-alanine