19281-29-9 2-Methyl-1-pyrrolidineaceto-o-toluidide 2-Methyl-2-(1-pyrrolidinyl)propionanilid Aptocaina [INN-Spanish] Aptocaina [Spanish] Aptocaine Aptocaine (+-) Aptocaine [BAN:DCF:INN] Aptocainum [INN-Latin] Aptocainum [Latin] EINECS 242-932-2 N-(2-(1-Pyrrolidinyl)propionyl)-o-toluidine