C.I. 61205; C.I. Reactive Blue 4; Procion blue MX-R; Procion blue MX-R?Reactive Blue 4; 1-amino-4-(2-(4,6-dichloro-s-triazin-2-yl)amino)phenylamino)9,10-dihydro-9,10-dioxoanthracene-2,4-disulphonic acid; 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; Reactive Brill. Blue X-BR