(+-)-Bupivacaine hydrochloride 1-Butyl-N-(2,6-dimethylphenyl)-2-piperidinecarboxamide monohydrochloride 14252-80-3 18010-40-7 2',6'-Pipecoloxylidide, 1-butyl-, hydrochloride 2',6'-Pipecoloxylidide, 1-butyl-, monohydrochloride 2-Piperidinecarboxamide, 1-butyl-N-(2,6-dimethylphenyl)-, monohydrochloride Bupivacaine hydrochloride Bupivacaine hydrochloride [USAN:JAN] Carbostesin DRG-0278 EINECS 241-917-8 LAC 43 LAC-43 Marcain Marcaine Marcaine Spinal Sensorcaine