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盐酸普卡因注射液受pH与温度影响易水解产生对氨基苯甲酸(简称PABA)。而PABA能降低盐酸普鲁卡因的麻醉作用。中国药典(1985版)及日本10版药局方均采用亚
Puracine hydrochloride injection by pH and temperature easily hydrolyzed to produce p-aminobenzoic acid (PABA). PABA can reduce the anesthetic effect of procaine hydrochloride. Chinese Pharmacopoeia (1985 edition) and Japan 10 Pharmacopoeia side are used in Asia