Chlorantine Fast Red 5B; Chlorantinlichtrot-5BL; 7-benzoylamino-4-hydroxy-3-[4-(4-sulfo-phenylazo)-phenylazo]-naphthalene-2-sulfonic acid,disodium-salt; C. I. Direct Red 81; SiruisRed4B; Red 4BL; Direct Red 81; siriusred4b; 7-Benzoylamino-4-hydroxy-3-[4-(4-sulfo-phenylazo)-phenylazo]-naphthalin-2-sulfonsaeure,Dinatrium-Salz; solarredb; disodium 7-benzamido-4-hydroxy-3-[[4-[(4-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulfonate; saturnredb; SOLARREDBA; helionred8b; DURAZOL RED;