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.
近究较多
罗哌卡因和左旋布比卡因作为单一
左旋对映异构体,因其良好
局麻效应和较小
毒性正引起广泛
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