142606-55-1 L-Leucine, N-(N-(N-(1-(N-(1-(N-L-leucyl-L-seryl)-L-prolyl)-L-phenylalanyl)-L-prolyl)-L-phenylalanyl)-L-alpha-aspartyl)- Leucyl-seryl-prolyl-phenylalanyl-prolyl-phenylalanyl-aspartyl-leucine Lspfpfdl p2Ca Peptide p2Ca-Y4