1-(2-Hydroxy-3-(diphenylmethylamine)propyl)pyrrolidin-2-one hydrochloride 1-(3-((Diphenylmethyl)amino)-2-hydroxypropyl)-2-pyrrolidinone monohydrochloride 198767-57-6 2-Pyrrolidinone, 1-(3-((diphenylmethyl)amino)-2-hydroxypropyl)-, monohydrochloride