daledalin daledalin daledalin (uk-3557-15) is an antidepressant which was synthesized and trialed for depression in the early 1970s, but was never marketed. it is a selective norepinephrine reuptake inhibitor, with no significant effects on the reuptake of serotonin and dopamine, and no antihistamine or anticholinergic properties. daledalinclinical dataatc codenoneidentifiers iupac name n-methyl-3-(3-methyl-1-phenyl-2,3-dihydro-1h-indol-3-yl)propan-1-amine cas number22136-27-2 23226-37-1 (tosylate)pubchem cid31707chemspider29403uniiit56261a5achemblchembl2110924chemical and physical dataformulac19h24n2molar mass280.415 g·mol−13d model (jsmol)interactive image smiles c1cccc2c1c(c)(cn2c3ccccc3)cccnc synthesis daledalin synthesis: