5-(3,5-dinitro-2-hydroxyphenylazo)-6-hydroxy-m-methylacetanilide; C.I. Mordant Brown 24; Mordant Brown 24 (C.I.); 2-(Acetylamino)-6-[(2-hydroxy-3,5-dinitrophenyl)azo]-4-methylphenol; Metachrome Brown 6G; N-[2-Hydroxy-3-[(2-hydroxy-3,5-dinitrophenyl)azo]-5-methylphenyl]acetamide