Methyl blue is a triaminotriphenylmethane dye. It is used as an antiseptic dye in the polychrome staining method and has applications in histological and microbiological staining solutions.

S-Allyl cysteine (SAC) is an organic compound that is a natural constituent of fresh garlic. It is a derivative of the amino acid cysteine in which an allyl group has been added to the sulfur atom.

ML-178 is a chemical compound.