127819-95-8 Cyclo(L-isoleucyl-D-2-piperidinecarbonyl-L-2-piperazinecarbonyl-N-methyl-D-phenylalanyl-L-prolyl-D-tryptophyl) Cyclo-(proline-tryptophan-isoleucine-pipecolic acid-piperazine-2-carboxylic acid-N-Me-phenylalanine) L 366811 L-366,811 L-366811