英文别名Carbazochrome Impurity 1; Carbazochrome sodium sulfonate Impurity B; Carbazochrome sodium sulfonate Impurity 9; 2-(1-methyl-6-oxo-1,6-dihydro-5H-indol-5-ylidene)hydrazine-1-carboxamide; (Z)-2-(1-methyl-6-oxo-1,6-dihydro-5H-indol-5-ylidene)hydrazine-1-carboxamide; Hydrazinecarboxamide, 2-(1,6-dihydro-1-methyl-6-oxo-5H-indol-5-ylidene)-; Sodium carbosulfonate impurity33 
