(4S,4′S)-1,1′-Bis[3-(1,1-dimethylethyl)phenyl]-4,4′,5,5′-tetrahydro-4,4′-bis[(1S)-1-methylpropyl]-2,2′-bi-1H-imidazole

(4S,4′S)-1,1′-Bis[3-(1,1-dimethylethyl)phenyl]-4,4′,5,5′-tetrahydro-4,4′-bis[(1S)-1-methylpropyl]-2,2′-bi-1H-imidazole,