Chrome Orange R, Benzoic acid, 2-hydroxy-5-[(4-nitrophenyl)azo]-, Chrome Orange N, 5-(4-Nitrophenylazo)salicylic Acid, Terra Cotta RRN, Kenachrome Orange, 5-[(E)-2-(4-nitrophenyl)-1-diazenyl]-2-hydroxybenzoic acid, Mordant Orange 1, Chrome Orange MR, 5-(4-nitrophenylazo) salicylic acid, Alizarol Orange R, 5-(4-Nitrophenylazo)salicylic acid Alizarin Yellow R MO1, Terracotta 2RN, Alizarin yellow R, Pnbas, Magracrom Orange, Alizarine Yellow R