90145-64-5 H 189 H-189 L-Lysine, N2-(N-(N-(N-(3-hydroxy-6-methyl-1-oxo-4-((N-(N-(1-(N-L-prolyl-L-histidyl)-L-prolyl)-L-phenylalanyl)-L-histidyl)amino)heptyl)-L-valyl)-L-isoleucyl)-L-histidyl)-, (S-(R*,R*))-