20576-52-7 Phenol, 4,4'-(1-ethyl-2-methylethylene)di-, erythro- erythro-4,4'-(1-Ethyl-2-methylethylene)diphenol erythro-Ethyl-alpha'-methyl-4,4'-dihydroxybibenzyl erythro-Mea erythro-alpha-Ethyl-alpha'-methyl-4,4'-dihydroxybibenzyl