lys-mda lys-mda lys-mda (lysine-mda, n-(l-lysinamidyl)-3,4-methylenedioxyamphetamine) is a substituted amphetamine derivative with empathogenic effects, which acts as a prodrug for mda with a slower onset of effects and longer duration of action. lys-mda, along with the related derivative lys-mdma, are in early stage human clinical trials as potential treatments for treatment-resistant depression and post-traumatic stress disorder. lys-mdma lys-mdaclinical dataatc codenoneidentifiers iupac name (2s)-2,6-diamino-n-hexanamide cas number1391487-26-5chemical and physical dataformulac16h25n3o3molar mass307.394 g·mol−13d model (jsmol)interactive image smiles cc(cc2ccc1ococ1c2)nc(=o)c(n)ccccn