1,1'-(2,2-Dimethylpropylidene)bis(4-ethoxybenzene) 1,1-BIS(P-ETHOXYPHENYL)-2,2-DIMETHYLPROPANE 27955-87-9 BRN 1983036 Benzene, 1,1'-(2,2-dimethylpropylidene)bis(4-ethoxy- (9CI) GH 44 Propane, 1,1-bis(p-ethoxyphenyl)-2,2-dimethyl-