2-(3,4-dichlorophenyl)-6-methylsulfinyl-3,4-dihydro-2H-pyrano[2,3-b]pyridine

2-氯-3,5-二溴吡啶

2-(3,4-dichlorophenyl)-6-methylsulfanyl-3,4-dihydro-2H-pyrano[2,3-b]pyridine

6-butylsulfanyl-2-(3,4-dichlorophenyl)-3,4-dihydro-2H-pyrano[2,3-b]pyridine

6-bromo-2-(3,4-dichlorophenyl)-2H-pyrano[2,3-b]pyridine