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.
近年研究较多的罗哌卡和左旋布比卡
作为单一的左旋对映异构
,
良好的局麻效
和较小的全身
引起广泛的关注。