89352-67-0 Ici 174864 Ici-174864 L-Leucine, N,N-di-2-propenyl-L-tyrosyl-2-methylalanyl-L-phenylalanyl- L-Leucine, N-(N-(N-(N,N-di-2-propenyl-L-tyrosyl)-2-methylalanyl)-L-phenylalanyl)- N,N-Diallyl-tyr-aib-phe-leu N,N-Diallyl-tyrosyl-alpha-aminoisobutyric acid-phenylalanyl-leucine