2′,3′,6′,7′-Tetrahydroxy-3H-spiro[2-benzofuran-1,9′-xanthen]-3-one

2′,3′,6′,7′-Tetrahydroxy-3H-spiro[2-benzofuran-1,9′-xanthen]-3-on

2′,3′,6′,7′-Tetrahydroxy-3H-spiro[2-benzofuran-1,9′-xanthen]-3-one

2′,3′,6′,7′-Tétrahydroxy-3H-spiro[2-benzofuran-1,9′-xanthen]-3-one

Spiro(isobenzofuran-1(3H),9′-(9H)xanthen)-3-one, 2′,3′,6′,7′-tetrahydroxy-

Spiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one, 2′,3′,6′,7′-tetrahydroxy-

2-hydroxyhydroquinonephthalein

2320-44-7

2′,3′,6′,7′-TETRAHYDROXY-3H-SPIRO[2-BENZOFURAN-1,9′-XANTHENE]-3-ONE

2′,3′,6′,7′-TETRAHYDROXYSPIRO[2-BENZOFURAN-1,9′-XANTHENE]-3-ONE

Hhqnph

ortho-Hydroxyhydroquinonephthalein