diethyl 2,5-bis(11-isopentyl-3-(8-isopentyl-4-(4-isopentyl-7-methyloctyl)-11-methyldodecyl)-7-(4-isopentyl-7-methyloctyl)-14-methylpentadec-1-yn-1-yl)terephthalate

diethyl 2,5-bis(3-isopentyl-6-methylheptyl)terephthalate

diethyl 2,5-bis(7-isopentyl-3-(4-isopentyl-7-methyloctyl)-10-methylundecyl)terephthalate

2,5-bis(3-isopentyl-6-methylheptyl)terephthalic acid

2,5-bis(7-isopentyl-3-(4-isopentyl-7-methyloctyl)-10-methylundecyl)terephthalic acid