(R)-二(4-氯苯基)(吡咯烷-2-基)甲醇

(R)-a,a-双(3,5-二氯苯基)-2-吡咯烷甲醇盐酸盐

(S)-alpha,alpha-双(4-甲氧基苯基)-2-吡咯烷甲醇

(R)-二-2-萘基脯氨醇

(R)-a,a-双(3-氯苯基)-2-吡咯烷甲醇盐酸盐