1,1-bis-(3,4-Dimethylphenyl)ethane

1,1-bis(3,4-dimethylphenyl)ethane ; 1,2一bis(3,4一dimethyl phenyl) ; 1,1-bis(3,4-dimethylphenyl)ethane 90+% ; 1,1'-ethylidenebis(3,4-dimethyl-benzene ; 1,1-di(3,4-xylyl)ethane ; ethane, 1,1-di-3,4-xylyl- ; 3,3',4,4'-tetramethyldiphenylethane ; benzene, 1,1'-ethylidenebis*3,4-dimethyl- ; 1,1'-ethylidenebis[3,4-dimethyl-benzen ; 1,1-di-(o-xyly)ethane