(1R,2R)-1,2-N,N'-bis(4-methoxyphenylamino)-1,2-diphenylethane

(4R,5R)-1,3-Bis-(4-methoxy-phenyl)-4,5-diphenyl-imidazolidin-2-one

(S,S)-(-)-氢化苯偶姻

(+)-(1S,2S)-1,2-diphenyl-1,2-ditosyloxyethane