121049-90-9
trans-1-benzylazetidine-2,4-dicarboxylic acid dimethyl ester
→
~70%
127310-50-3
Dimethyl (2R,4S)-2,4-azetidinedicarboxylate
31358-13-1
dimethyl 2,4-dibromoglutarate, d,l-racemate