The molecule is a member of the class of naphthoates that is 1-naphthoate substituted at positions 2 and 7 by hydroxy groups and at position 5 by a methyl group; major species at pH 7.3. It has a role as a bacterial metabolite. It is a conjugate base of a 2,7-dihydroxy-5-methyl-1-naphthoic acid.
1-carboxy-7-hydroxy-5-methylnaphthalen-2-olate