Acetamide, 2,2'-iminobis[N-(2,6-dimethylphenyl)-, hydrochloride (1:1); Lidocaine EP Impurity E; N-(2,6-dimethylphenyl)-2-((((2,6-dimethylphenyl)carbamoyl)methyl)amino)acetamide hydrochloride; N-(2,6-dimethylphenyl)-2-({[(2,6-dimethylphenyl)carbamoyl]methyl}amino)acetamide hydrochloride; 2,2'-Iminobis(N-(2,6-DiMethylphenyl)acetamide Hydrochloride; 2-[[2-(2,6-dimethylanilino)-2-oxoethyl]amino]-N-(2,6-dimethylphenyl)acetamide hydrochloride; 2,2'-(Azanediyl)bis[N-(2,6-dimethylphenyl)acetamide] Hydrochloride; N-(2,6-DIMETHYLPHENYL)-2-((2-[(2,6-DIMETHYLPHENYL)AMINO]-2-OXOETHYL)AMINO)ACETAMIDE HYDROCHLORIDE; 2,2'-Azanediylbis(N-(2,6-dimethylphenyl)acetamide) hydrochloride; Lidocaine Hydrochloride Imp. E (EP); Lidocaine Imp. E (EP); Lidocaine Hydrochloride Impurity E as Hydrochloride; Lidocaine Impurity E as Hydrochloride; Lidocaine Related Compound E; Lidocaine BP Impurity E