Synonyms: 2-Piperidinecarboxamide,1-butyl-N-(2,6-dimethylphenyl)-, monohydrochloride, (2R)- (9CI);2-Piperidinecarboxamide, 1-butyl-N-(2,6-dimethylphenyl)-, monohydrochloride,(R)-; 2',6'-Pipecoloxylidide, 1-butyl-, monohydrochloride, (+)- (8CI);(+)-Bupivacaine monohydrochloride; (R)-(+)-Bupivacaine monohydrochloride