1H-吡咯并[3,2-b]吡啶-2-羧酰胺

[(3-氨基吡啶-2-基)亚甲基氨基]硫脲

2-(3-硝基吡啶-2-基)乙醇

2-methyl-8-nitroindolizine

2-methyl-3-nitro-1-oxidopyridin-1-ium