2-hydroxy-dibenzofuran-3-carboxylic acid-(2,5-dimethoxy-anilide), Naphthol AS-DB, 2-Hydroxy-dibenzofuran-3-carbonsaeure-(2,5-dimethoxy-anilid), Naphtanilide BT, 2-hydroxy-2',5'-dimethoxydibenzofuran-3-carboxanilide, Naphthanil DB, C.I. Azoic Coupling Component 16, 3-Dibenzofurancarboxamide,N-(2,5-dimethoxyphenyl)-2-hydroxy, Naphthol AS-BT