Term Name:	flavianic acid
Synonyms:	2,4-Dinitro-1-naphthol-7-sulfonic acid, 2,4-Dinitronaphtholsulfonic acid, 8-hydroxy-5,7-dinitronaphthalene-2-sulfonic acid, Naphthol Yellow
Definition:	A naphthalenesulfonic acid that is naphthalene-2-sulfonic acid substituted by nitro groups at positions 5 and 7 as well as a hydroxy group at position 8. The disodium salt is the biological stain 'naphthol yellow S'.
Ontology:	ChEBI [CHEBI:87221]  ( EBI )