10126-90-6 Anthra(2,3-d)oxazole-5,10-diol, 2-(1-amino-9,10-bis(sulfooxy)-2-anthracenyl)-, bis(hydrogen sulfate) (ester), tetrasodium salt EINECS 233-349-4 Tetrasodium 2-(1-amino-9,10-bis(sulphonatooxy)-2-anthryl)anthra(2,3-d)oxazole-5,10-diyl bis(sulphate)