CAS No 188530-20-3 , L-Lysinamide,N-acetyl-L-a-aspartyl-L-a-glutamyl-N-[2-[(5-sulfo-1-naphthalenyl)amino]ethyl]-L-asparaginyl-L-a-glutamyl-L-a-glutamyl-(2S)-2-aminobutanoyl-(2S)-2-hydroxypropanoyl-L-seryl-N6-[4-[2-[4-(dimethylamino)phenyl]diazenyl]benzoyl]-