328-70-1
3,5-双三氟甲基溴苯
+
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