Cryptating agent 222 is a cryptand used with potassium mirror to reduce a hindered distannene to a crystalline radical anion and forms ligands with metal cations.

2-Aminobenzoic acid also known as anthranilate or anthranilic acid belongs to the class of organic compounds known as aminobenzoic acids.

Polygalasaponin possesses evident anxiolytic and sedative-hypnotic activities and has a relatively safe dose range, which supports the use of Polygala tenuifolia root as an anxiolytic and sedative-hypnotic drug in folk medicine.