Lotusine is a pure alkaloid extracted from the Nelumbo nucifera Gaertn. It shows effects on the action potentials in the myocardium and slow inward current in cardiac Purkinje fibers.

2,2'-Dipyridyl disulfide is a useful reagent for determination of sulfhydryl groups, preparation of amino acid active esters and the thio esters of phosphoric acid.

RNAIII-inhibiting peptide