L-Cysteine,L-a-glutamyl-O-sulfo-L-tyrosyl-L-a-glutamyl-O-sulfo-L-tyrosyl-L-leucyl-L-a-aspartyl-O-sulfo-L-tyrosyl-L-a-aspartyl-L-phenylalanyl-L-leucyl-L-prolyl-L-a-glutamyl-L-threonyl-L-a-glutamyl-L-prolyl-L-prolyl-L-a-glutamyl-