serine,valyl,alanyl
Serine
491841-55-5L-Serine,O-sulfo-L-seryl-L-valyl-L-phenylalanyl-L-valyl-O-sulfo-L-seryl-L-phenylalanyl-L-valylglycyl-O-sulfo-L-seryl-, hydrogen sulfate (ester)
493036-79-6L-Serine,L-valyl-L-alanyl-L-seryl-L-arginyl-L-isoleucyl-L-leucyl-L-leucyl-L-prolyl-L-valyl-