4-[2-(5-氯-2-甲氧基苯甲酰胺)乙基]-苯磺酰胺基-甲酸乙酯(格列笨脲杂质II) 4-[2- (5- chloro -2- methoxy benzoyl amide) ethyl] benzene sulfonamide - ethyl formate (Geleg stupid urea impurity II) 83329-89-9 对照品 中检所产品