4-ea-nbome 4-ea-nbome 4-ea-nbome is a substituted amphetamine and 25-nb derivative which has been sold as a designer drug. it was first identified by a forensic laboratory in germany in 2014, but while its analytical properties and metabolism have been studied, its pharmacology remains unknown. 4-ea-nbomelegal statuslegal status uk: under psychoactive substances act identifiers iupac name 1-(4-ethylphenyl)-n-propan-2-amine pubchem cid132280994chemical and physical dataformulac19h25nomolar mass283.415 g·mol−13d model (jsmol)interactive image smiles ccc1=cc=c(c=c1)cc(c)ncc2=cc=cc=c2oc inchi inchi=1s/c19h25no/c1-4-16-9-11-17(12-10-16)13-15(2)20-14-18-7-5-6-8-19(18)21-3/h5-12,15,20h,4,13-14h2,1-3h3key:wwwbfwruwwkjij-uhfffaoysa-n