ml-154 ml-154 ml-154 (ncgc-84) is a drug which acts as a selective, non-peptide antagonist at the neuropeptide s receptor npsr. in animal studies it decreases self-administration of alcohol in addicted rats, and lowers motivation for alcohol rewards, suggesting a potential application for nps antagonists in the treatment of alcoholism. ml-154clinical dataatc codenoneidentifiers iupac name 3-(diphenylphosphinothioyl)-2-methyl-1-imidazopyridinium bromide cas number1345964-89-7pubchem cid46930969chemspider26360842chemical and physical dataformulac29h26brn2psmolar mass545.48 g·mol−13d model (jsmol)interactive image smiles .c1(=cc=cc=c1)(=s)(c2=c((=c3c=cc=c23)c\c=c\c4=cc=cc=c4)c)c5=cc=cc=c5 inchi inchi=1s/c29h26n2ps.brh/c1-24-29(32(33,26-17-7-3-8-18-26)27-19-9-4-10-20-27)31-22-12-11-21-28(31)30(24)23-13-16-25-14-5-2-6-15-25;/h2-22h,23h2,1h3;1h/q+1;/p-1/b16-13+;key:cjaqcmbwguobix-zuqrmpmesa-m