Term Name:	(2-sulfonatophenyl)azo group
Synonyms:	(2-sulfonatophenyl)diazenyl, o-azobenzenesulfonate, ortho-azobenzenesulfonate
Definition:	A phenylazo group in which the phenyl ring is substituted at the ortho position with a deprotonated sulfo group.
Ontology:	ChEBI [CHEBI:64662]  ( EBI )