5 benzyl 3 3 4 trimethylheptane July 8, 2019 16 32 64 128 3 3 5-trimethylheptane Benzene 2-ethenyl-1 3 5-trimethyl- 1 3 5-trimethyl-2 4 6-tris(3 5-di-tert-butyl-4-hydroxybenzyl)benzene Benzene 1 3 5-tris(1-methylethyl)-