1-O-tert-butyl 3-O-methyl 3-aminopyrrolidine-1,3-dicarboxylate

[(4-fluorophenyl)(methoxy)methylidene]propanedinitrile

4-氯-2-甲苯甲酸甲酯

12-bromododec-1-ene

2-(邻甲苯)吡啶