2,6-Bis[(4S)-phenyl-2-(oxazolin-2-yl)]pyridine2,6-双[(4S)-4-苯基-2-噁唑啉基]吡啶2,6-Bis[(4S)-4-phenyl-2-oxazolinyl]pyridine(S,S)-2,6-Bis(4-phenyl-2-oxazolinyl)pyridine(S,S)-2,6-双(4,5-二氢-4-苯基-2-噁唑基)吡啶(S,S)-2,6-Bis(4,5-dihydro-4-phenyl-2-oxazolyl)pyridine(S,S)-2,6-双(4-苯基-2-噁唑啉基)吡啶