[1,2,4]三唑并[1,5-a]吡啶

1-oxido-[1,2,4]triazolo[1,5-a]pyridin-1-ium

1-苯基-3-吡啶-2-基脲

双苯基脲

3-(trifluoromethyl)-4H-pyrido[2,1-c][1,2,4,5]oxatriazin-3-ol