DIHYDROXYDIQUINOYL, 5,6-dihydroxy-5-cyclohexene-1,2,3,4-tetraone, 5,6-dihydroxy-5-cyclohexene-1,2,3,4-tetrone, 5-Cyclohexene-1,2,3,4-tetrone, 5,6-dihydroxy-, Einecs 204-276-5, 1,2-Dihydroxy-3,4,5,6-tetraoxocyclohexene, 5,6-Dihydroxy-cyclohex-5-en-1,2,3,4-tetraon, 5,6-dihydroxycyclohex-5-ene-1,2,3,4-tetraone, rhodizonicacid, Dihydroxy-cyclohexentetraon, 5,6-dihydroxy-5-cyclohexen-1,2,3,4-tetraone, 5,6-Dihydroxy-1,2,3,4-benzodiquinone