8-hydroxy-1,4-dioxo-1,4-dihydronaphthalen-2-olate
8-hydroxy-1,4-dioxo-1,4-dihydronaphthalen-2-olate
The conjugate base of 2,8-dihydroxy-1,4-naphthoquinone arising from selective deprotonation of the 2-hydroxy group; major species at pH 7.3.