苄基十二烷基二甲基氯化铵二水合物是一种季铵化合物 (QAC)。

Polymyxin B nonapeptide, a cationic cyclic peptide derived by enzymatic processing from the naturally occurring peptide polymyxin B, is able to increase the permeability of the outer membrane of Gram-negative bacteria toward hydrophobic antibiotics probably by binding to the bacterial lipopolysaccharide (LPS)

Sulbenicillin Sodium 是一种青霉素抗生素，是一种具有抗菌活性的青霉素抗生素。