psncbam-1 psncbam-1 psncbam-1 is a negative allosteric modulator of the cannabinoid cb1 receptor. psncbam-1identifiers iupac name 1-(4-chlorophenyl)-3-(3-(6-(pyrrolidin-1-yl)pyridin-2-yl)phenyl)urea cas number877202-74-9 ypubchem cid11560249chemspider9735023uniip34sc5v6w2chemical and physical dataformulac22h21cln4omolar mass392.89 g·mol−13d model (jsmol)interactive image smiles clc1ccc(nc(=o)nc2cccc(c2)c3cccc(n3)n4cccc4)cc1 inchi inchi=1s/c22h21cln4o/c23-17-9-11-18(12-10-17)24-22(28)25-19-6-3-5-16(15-19)20-7-4-8-21(26-20)27-13-1-2-14-27/h3-12,15h,1-2,13-14h2,(h2,24,25,28)key:hdayfsfwiprjso-uhfffaoysa-n