The Synthesis and Separating of S, S-and R, S-5-benzoyl-2, 3-dihydro-1H-Pyrrolizine-1-Carboxyl-Amino Acid Esters
LU Yiming,GUO Jian,HUA Wenting
Acta Scientiarum Naturalium Universitatis Pekinensis . 1998, (6): 731 -734 .