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
布比卡因作为单一
对映异构体,因
局麻效应
较小
全身毒性正引起广泛
关注。