(+/-)-1,3-bis(2-propenyl)-4-piperidinone

2-allyl-3-formylthiophene

tert-butyl 3-allyl-4-oxo-1-tritylpiperidine-3-carboxylate

4-氯-3-甲酰基-5,6-二氢-1(2H)-吡啶羧酸乙酯

6,7-二氢噻吩并[3,2-c]吡啶-2,5(4H)-二羧酸二乙酯