652159-55-2 Benzoic acid,2,2'-[[6,6,8,8,24,24,26,26-octamethyl-16,16-bis[[[5-[1,1,3,3-tetramethyl-3-[5-[5-[(2S)-2-methylbutoxy]-2-[[4-[[[4'-(octyloxy)[1,1'-biphenyl]-4-yl]oxy]carbonyl]phenoxy]carbonyl]phenoxy]pentyl]disiloxanyl]pentyl]oxy]methyl]-7,14,18,25-tetraoxa-