2,5-Cyclohexadiene-1,4-dione, 2,6-diiodo- 2,6-Diiodo-p-benzoquinone 2,6-Diiodoquinone 20389-01-9 3-07-00-03385 (Beilstein Handbook Reference) BRN 1938943 Diiodoquinone EINECS 243-779-4 p-Benzoquinone, 2,6-diiodo-