4,4-Dihydroxy-2,2,5,5-tetramethyl-1,1-bi[1,4-cyclohexadiene]-3,3,6,6-tetrone
CAS No. 10493-51-3
4,4'-Dihydroxy-2,2',5,5'-tetramethyl-1,1'-bi[1,4-cyclohexadiene]-3,3',6,6'-tetrone