4,4'-(1,4-Piperazinediylbis(methylene))bis(2,6-bis(1,1-dimethylethyl)phenol) 6029-54-5 BRN 0903994 Fenol 85 Phenol 85 Phenol, 4,4'-(1,4-piperazinediylbis(methylene))bis(2,6-bis(1,1-dimethylethyl)- p-Cresol, alpha,alpha'-1,4-piperazinediylbis(2,6-di-tert-butyl- (7CI,8CI)