甲基吡噁磷

6-氯恶唑并[4,5-b]吡啶-2(3H)-酮

2-氨基-5-溴-3-羟基吡啶

6-硝基噁唑并[4,5-b]吡啶-2(3h)-酮

6-chloro-3-(hydroxymethyl)-[1,3]oxazolo[4,5-b]pyridin-2-one