英文别名N-(2',6'-dimethylphenyl)-2-piperidinecarboxamide hydrochloride; PPX hydrochloride salt; (RS)-N-(2,6-Dimethylphenyl)piperidine-2-carboxamide Hydrochloride; Bupivacaine Hydrochloride EP Impurity B as Hydrochloride; Bupivacaine USP Related Compound B as Hydrochloride; Mepivacaine Hydrochloride EP Impurity B as Hydrochloride 
