77554-83-7 Cyclic(L-alpha,gamma-diaminobutyryl-ngamma-(1-oxononyl)-L-alpha,gamma-diaminobutyryl-L-alpha,gamma-diaminobutyryl-D-leucyl-L-threonyl-L-alpha,gamma-diaminobutyryl-L-alpha,gamma-diaminobutyryl-L-threonyl-L-alpha,gamma-diaminobutyryl-L-threonyl), pentahydrochloride Pcd-P(M) Pelargonoyl cyclic decapeptide polymyxin M(1)