103494-23-1 105504-60-7 L-Phenylalaninamide, N-acetyl-L-alpha-aspartyl-O-sulfo-L-tyrosyl-L-norleucylglycyl-L-tryptophyl-L-norleucyl-L-alpha-aspartyl- N-Ac-Asp-tyr(So3H)-nle-gly-trp-nle-asp-phe-NH2 N-Acetyl-aspartyl-O-sulfo-tyrosyl-norleucyl-glycyl-tryptophyl-norleucyl-aspartyl-phenylalaninamide U 67827E U-67827E