for the following products
(4S,4'S)-2,2'-(Propane-2,2-diyl)bis(4-(tert-butyl)-4,5-dihydrooxazole) | 2,2'-Isopropylidenebis[(4S)-4-tert-butyl-2-oxazoline] | Oxazole,2,2'-(1-methylethylidene)bis[4-(1,1-dimethylethyl)-4,5-dihydro-(4S,4'S)- and (S,S)-(-)-2,2'-Isopropylidene-bis-(4-tert-butyl-2-oxazoline)