1,1',1'',1'''-(1,3,5-Trimethyl-7-methyleneheptane-1,3,5,7-tetrayl)tetrabenzene 4,6,8-Trimethyl-2,4,6-tetraphenyl-1-octene 68443-60-7 Benzene, 1,1',1'',1'''-(1,3,5-trimethyl-7-methylene-1,3,5,7-heptanetetrayl)tetrakis- EINECS 270-540-1