英文别名BUPIVACAINE IMPURITY 12; Bupivacaine Impurity 28; 1-(sec-butyl)-N-(2,6-dimethylphenyl)piperidine-2-carboxamide; N-(2,6-Dimethylphenyl)-1-(1-methylpropyl)-2-piperidinecarboxamide; Bupivacaine Impurity; Bupivacaine Impurity 10; 2-Piperidinecarboxamide, N-(2,6-dimethylphenyl)-1-(1-methylpropyl)- 
