CHSCH2) NH-Or-COOCH, CH,NC(Hs)).HCI 盐酸丁卡因 HN- CONHCH2 CH2N(C2H5)2 HCI 盐酸普鲁卡因胺COOCH2CH2N(C2H5 ) CH3 2 (CH2 ) 3NH HCl 盐酸丁卡因 CONHCH2CH2N(C2H5 ) H2N 2 HCl 盐酸普鲁卡因胺