Pentetreotide

Chemical Name: L-Cysteinamide, N-[2-[[2-[bis(carboxymethyl)amino]ethyl](carboxymethyl)amino]ethyl]-N-(carboxymethyl)glycyl-D-phenylalanyl-L-cysteinyl-L-phenylalanyl-D-tryptophyl-L-lysyl-L-threonyl-N-[2-hydroxy-1-(hydroxymethyl)propyl]-, cyclic (3→8)-disulfide, [R-(R*,R*)]-1,2-Dithia-5,8,11,14,17-pentaazacycloeicosane, cyclic peptide derivetive