p. 3463 - 3467
(2018)p. 12714 - 12717
(2017/09/25)p. 84 - 96
(2007/10/03)(+)-(R)-2-cyano-pyrrolidine-1-carboxylic acid benzyl ester
(2R)-2-carbamoyl-pyrrolidine-1-carboxylic acid benzyl ester
Z-D-proline
(2R)-2-(1H-tetrazol-5-yl)-pyrrolidine-1-carboxylic acid benzyl ester