Synonyms: 1,6,7,8-tetrahydro-1,4,6,6,8,8-hexamethyl-as-indacen-3(2H)-one;1,4,6,6,8,8-Hexamethyl-as-hydrindacene-3-one;1,6,7,8-tetrahydro-1,4,6,6,8,8-hexamethyl-as-indacen-3(2h)-on;As-indacen-3(2H)-one, 1,6,7,8-tetrahydro-1,4,6,6,8,8-hexamethyl-;Einecs 269-556-1