英文别名Carvedilol Impurity 18; 4-oxiranylmethoxy-9-oxiranylmethyl-9H-carbazole; 4-(2-Oxiranylmethoxy)-9-(2-oxiranylmethyl)-9H-carbazole; Carvedilol Impurity 9; Carvedilol Impurity DH; Carvedilol Impurity 2; 9H-Carbazole, 4-(2-oxiranylmethoxy)-9-(2-oxiranylmethyl)-; Carvedilol Dioxirane 
