甲哌卡因杂质B 货号:M008002 英文名:Mepivacaine Impurity B 同义词:(S)-N-(2,6-dimethylphenyl)-1-methylpiperidine-2-carboxamide hydrochloride CAS号:1722-62-9 分子式:C15H23ClN2O 分子量:282.81 询价订购