Keywords: 2,3,5,6-tetrachlorocyclohexa-2,5-diene-1,4-dione 200.svg validSVG Structure of 2 3 5 6-tetrachlorocyclohexa-2 5-diene-1 4-dione Struktur von 2 3 5 6-Tetrachlor-2 5-cyclohexadien-1 4-dion Own 2014-03-03 Emeldir <span class signature-talk >talk</span> PD-chem Chloranil |