67-56-1
甲醇
+
541-41-3
氯甲酸乙酯
344-25-2
D-脯氨酸
→
~86%
185246-66-6
1-O-ethyl 2-O-methyl (2R)-pyrrolidine-1,2-dicarboxylate
1146629-85-7
(7aR)-1,1-bis[3,5-bis(trifluoromethyl)phenyl]-5,6,7,7a-tetrahydro pyrrolo[1,2-c]oxazol-3-one