Synonyms: Phenanthridinium,3-amino-8-[(2-amino-1,6-dimethyl-4(1H)-pyrimidinylidene)amino]-6-(4-aminophenyl)-5-methyl-,bromide, monohydrobromide (9CI); Phenanthridinium,3-amino-8-[(2-amino-1,6-dimethylpyrimidinium-4-yl)amino]-6-(p-aminophenyl)-5-methyl-,dibromide (8CI); Prothidium; Pyrithidium bromide; Pyritidium bromide