I-CAS:1889-67-4 I-Molecular Formula:C18H22 Isisindo se-Molecular:238.37 I-EINECS:217-568-2 Omqondofana:1,1'-[1,1,2,2-Tetramethyl-1,2-ethandiyl]bis[benzene]; 1,1'-(1,1,2,2-tetramethyl-1,2-ethanediyl)bis-benzen; 1,2-Diphenyltetramethylethane; I-2,3-Diphenyl-2,3-dimethylbutane; i-alpha,alpha'-Dicumyl; I-Bibenzyl, i-alpha, i-alpha, i-alpha', i-alpha'-tetramethyl-