dimethylphenylpiperazinium dimethylphenylpiperazinium dimethylphenylpiperazinium (dmpp) is a nicotinic acetylcholine receptor agonist which is selective for the ganglionic subtype. one of the earliest reports on the pharmacology of dmpp, describing it as a ganglion-stimulating, hypertensive agent, came from graham chen and his co-workers at parke, davis & co. (now pfizer) dimethylphenylpiperaziniumidentifiers iupac name 1,1-dimethyl-4-phenylpiperazin-1-ium cas number114-28-3 npubchem cid1316iuphar/bps3967chemspider1276 yunii2fls86gk2achemblchembl134752 ycomptox dashboard (epa)dtxsid10150626 chemical and physical dataformulac12h19n2molar mass191.298 g·mol−13d model (jsmol)interactive image smiles c1(ccn(cc1)c2=cc=cc=c2)c inchi inchi=1s/c12h19n2/c1-14(2)10-8-13(9-11-14)12-6-4-3-5-7-12/h3-7h,8-11h2,1-2h3/q+1 ykey:mkgiqrnagsshrv-uhfffaoysa-n y ny (what is this?) (verify)