2-[(3-amino-1-oxidopyridin-1-ium-2-yl)-hydroxyamino]benzoic acid

11-(2-咪唑-1-基乙酰基)-5H-吡啶并[2,3-b][1,4]苯并二氮杂卓-6-酮

11-(2-imidazol-1-ylacetyl)-1-oxido-5H-pyrido[2,3-b][1,4]benzodiazepin-1-ium-6-one

2-bromo-N-(2-chloro-1-oxidopyridin-1-ium-3-yl)benzamide

N-(2-chloropyridin-3-yl)-2-(2-hydroxyethylamino)benzamide