1-Amino-4-({3-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-4-sulfophenyl}amino)-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid 13324-20-4 AIDS-014965 AIDS014965 C.I. Reactive Blue 4 NSC364368