1,1'-methylenebis(benzene) ; benzene, (phenylmethyl)- ; benzene, 1,1'-methylenebis- ; benzylbenzene ; diphenyl methane ; diphenylmethane ; ditan ; ditane ; methane, diphenyl- ; 1,1'-dimethylenebis(benzene) ; 1,1'-methylenebisbenzene ; 1,1'-methylenedibenzene ; alpha-phenyltoluene ; benzene, benzyl- ; benzyl benzene ; diphenylmethyl ; diphenylmethyl radical ; methane, diphenyl- (8ci) ; phenylmethylbenzene ; (phenylmethyl)benzene ; toluene, .alpha.-phenyl- ; toluene, alpha-phenyl-