pd-168,077 pd-168,077 pd-168,077 is a drug which acts as a dopamine agonist selective for the d4 subtype, which is used for researching the role of d4 receptors in the brain, particularly relating to learning and memory. the propensity to induce penile erections in rats means it could be used for this also? pd-168,077identifiers iupac name n-(methyl)-3-methylbenzamide pubchem cid3645619iuphar/bps975chemspider2879553 nchemblchembl45244 ncomptox dashboard (epa)dtxsid7044007 chemical and physical dataformulac20h22n4omolar mass334.423 g·mol−13d model (jsmol)interactive image smiles cc2cc(ccc2)c(=o)ncn(cc3)ccn3c1ccccc1c#n inchi inchi=1s/c20h22n4o/c1-16-5-4-7-17(13-16)20(25)22-15-23-9-11-24(12-10-23)19-8-3-2-6-18(19)14-21/h2-8,13h,9-12,15h2,1h3,(h,22,25) nkey:dnulyrgwtfljql-uhfffaoysa-n n ny (what is this?) (verify)