As single laevo-enantiomers,ropivacaine and levobupivacaine which have been generally researched are attracting extensive attention for their better anaesthetic effect and less system toxicity.
近年研究较多罗哌卡因和
旋布比卡因作为单
旋对映异构体,因其良好
局麻效
和较小
全身毒性正引起广泛
。