2-Aminoisonicotinamide13538-42-631 % similar 5-Aminopyridine-2-carboxamide145255-19-231 % similar 4-(Aminocarbonyl)benzoic acid6051-43-031 % similar 2-Chloroisonicotinamide100859-84-530 % similar 2-Chloropyrimidine-4-carboxamide22536-66-930 % similar 2-Bromoisonicotinamide29840-73-130 % similar 5-Chloropyridine-2-carboxamide370104-72-630 % similar 5-Bromopyridine-2-carboxamide 97%5-bromopicolinamide90145-48-530 % similar