Syonyms Name: Polymixin B Sulfate; polymyxin B sulfate usp; Polymyxin B sulfate salt; Polymyxin B Sulphate; Polymyxin B solution; Polymyxin B sulfate; Polymyxin B 2,5-SULFATE; Polymyxin B (PMB); N-[3-amino-1-[[1-[[3-amino-1-[[6,9,18-tris(2-aminoethyl)-15-benzyl-3-(1-hy