氧化槐果碱

苦参素

tert-butyl pyridine-3-carboxylate

1-Allyl-2-oxo-1,4-dihydro-2H-pyridine-3,3-dicarboxylic acid dimethyl ester

1-[5-(5-tert-Butoxycarbonyl-3,4-dihydro-2H-pyridin-1-yl)-2-ethoxythiocarbonylsulfanyl-5-oxo-pentyl]-2-oxo-1,4-dihydro-2H-pyridine-3,3-dicarboxylic acid dimethyl ester