phenpromethamine phenpromethamine phenpromethamine (former brand name vonedrine), also known as n,β-dimethylphenethylamine, is a sympathomimetic nasal decongestant of the phenethylamine group. it was previously marketed as a nasal inhaler from 1943 through 1960 but is no longer available. the medication is a stimulant and is banned by the world anti-doping agency. it has been detected in dietary supplements starting in the 2010s. phenpromethamineclinical datatrade namesvonedrineother namesn,β-dimethylphenethylamine; n,β-dimethylbenzeneethanamine; phenylpropylmethylamineatc codenonelegal statuslegal status de: anlage i (authorized scientific use only) us: schedule ii (isomer of methamphetamine) identifiers iupac name n-methyl-2-phenylpropan-1-amine cas number93-88-9pubchem cid22276chemspider21277725unii7d4542i59vecha infocard100.257.912 chemical and physical dataformulac10h15nmolar mass149.237 g·mol−13d model (jsmol)interactive image smiles cc(cnc)c1=cc=cc=c1 inchi inchi=1s/c10h15n/c1-9(8-11-2)10-6-4-3-5-7-10/h3-7,9,11h,8h2,1-2h3key:aufsooycqydges-uhfffaoysa-n (verify)