(4S,4'S)-1,1'-Bis(4-(tert-butyl)phenyl)-4,4'-diisopropyl-4,4',5,5'-tetrahydro-1H,1'H-2,2'-biimidazole

(4S,4'S)-1,1'-Bis(4-(tert-butyl)phenyl)-4,4'-diisopropyl-4,4',5,5'-tetrahydro-1H,1'H-2,2'-biimidazole