2,2-dimethyl-3,4-dihydropyrido[3,2-b][1,4]oxazine

2-甲基-2H-吡啶并[3,2-b][1,4]噁嗪-3(4h)-酮

6-硝基噁唑并[4,5-b]吡啶-2(3h)-酮

2-phenyl-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine

2-(二甲基氨基)-3-吡啶醇