2-氯-6-碘吡啶

2-chloro-6-(ethylsulfinyl)pyridine

2-chloro-6-methylsulfinyl pyridine

1,1'-dimethyl-2,2'-bipyridine-6,6'-(1H,1'H)-dione

4,7,8,10-tetrahydrodipyrido[1,2-a:2,1-c][1,4]diazepine-4,10-dione