(S)(-)-N,O-bis(p-toluenesulphonyl)-2-hydroxymethyl pyrrolidine

2-(R,S)-5-(S)-[3.3.0]-1-aza-2-thia-3-oxabicyclooctane-2-oxide

4-Morpholinyl[(2S)-2-pyrrolidinyl]methanone

吗啉

(3aS)-3a,4,5,6-tetrahydro-3H-pyrrolo[1,2-c]oxathiazole 1,1-dioxide