(1R,2R)-N-甲烷磺酰-1,2-二苯基乙二胺

(4S,5S)-4,5-diphenylimidazolidin-2-one

(R,R)-N,N'-双(三氟甲烷磺酰)-1,2-二苯基乙二胺

(1R,2R)-(-)-N-(对甲基苯磺酰基)-1,2-二苯基乙二胺

(4R,5R)-2,4,5-triphenyl-4,5-dihydro-1H-imidazole