Polymyxin B2 is a cyclic lipopeptide antibiotic produced by Bacillus polymyxa and is one of the major components of polymyxin B.

Polymyxin B3 is a cyclic lipopeptide antibiotic produced by Bacillus polymyxa and is one of the major components of polymyxin B.

Polymyxin B1-I is a cyclic lipopeptide belonging to the polymyxin class of antibiotics.

Polymyxin B6 is a cyclic lipopeptide antibiotic produced by Bacillus polymyxa and is one of the major components of polymyxin B.

Polymyxin Ile-B1 is a cyclic lipopeptide antibiotic belonging to the polymyxin class and is one of the minor components of Polymyxin B.

Polymyxin Impurity 1 is a cyclic lipopeptide compound structurally related to Polymyxin B.

Polymyxin B6 Impurity 1 is a branched-chain hydroxy fatty acid with a specific stereochemical configuration and is structurally related to the N-terminal fatty acyl moiety of Polymyxin B6.

Polymyxin B4 is a cyclic lipopeptide belonging to the polymyxin class and is one of the minor components of Polymyxin B.

Polymyxin B5 is a cyclic lipopeptide belonging to the polymyxin class and is one of the minor components of Polymyxin B.

Xylohexaose is a linear xylooligosaccharide composed of six D-xylose units linked by β-(1→4)-glycosidic bonds.

Synthetic melanin is a melanin-like polymeric material produced through a chemical oxidative polymerization process.

Proanthocyanidin A1 is a proanthocyanidin dimer.

Verbascose is a naturally occurring non-reducing pentasaccharide found in plants.