168016-90-8

L-Threoninamide,N-[[2-[4-(2-hydroxyethyl)-1-piperazinyl]ethyl]sulfonyl]-D-phenylalanyl-L-cysteinyl-L-tyrosyl-D-tryptophyl-L-lysyl-L-2-aminobutanoyl-L-cysteinyl-,cyclic (2&reg