azanium,4-amino-1,3-dihydroxy-9,10-dioxoanthracene-2-sulfonate; EINECS 282-151-4; Nuclear Fast Red Ammonium salt; ammonium 4-amino-1,3-dihydroxy-9,10-dioxoanthracene-2-sulfonate; Ammonium 4-amino-9,10-dihydro-1,3-dihydroxy-9,10-dioxoanthracene-2-sulphonate; 3-Amino-7-dimethylamino-2-methylphenazine ammonium salt