A.2.5%氯普鲁卡因1.2~1.5ml
B.1%丁卡因1ml+3%麻黄碱1ml+10%葡萄糖1ml
C.0.5%布比卡因2ml
D.2%利多卡因2~3ml
E.0.75%布比卡因2ml+脑脊液1ml