6-[(2,4-二氨基-5-磺基苯基)偶氮]-4-羟基-3-[[4-[[4-[[1-羟基-7-[[4-羟基-2-[(2-甲基苯基)氨基]苯基]偶氮]-3-磺基-2-萘基]偶氮]苯基]氨基]-3-磺基苯基]偶氮]-2-萘磺酸四钠盐
93777-10-7