Fast Red B salt; RED B SALT; BRENTAMINE FAST RED SALT B; Fast Red B Salt; FAST RED SALT B; FastsaltredB; 2-Methoxy-4-nitrobenzenediazonium 1,5-naphthalenedisulfonate salt; 5-NITRO-2-AMINOMETHOXYBENZENE DIAZO SALT; FAST RED B 1,5-NAPHTHALENEDISULFONATE