2-(1H-1,2,4-Triazol-5-yl)pyrazine130612-31-6100 % similar 1H-Pyrazolo[4,3-C]pyridine271-52-332 % similar Methylpyrazine109-08-032 % similar Chloropyrazine14508-49-732 % similar Iodopyrazine32111-21-032 % similar 2-Fluoropyrazine 984949-13-732 % similar Aminopyrazine5049-61-632 % similar 2-Bromopyrazine56423-63-332 % similar 3-Bromo-1H-1,2,4-triazole7343-33-132 % similar Oltipraz64224-21-132 % similar 2,3'-Bipyridine581-50-031 % similar 2-(1H-Pyrazol-3-yl)pyridine75415-03-131 % similar Pyrazin-2-yl-hydrazine54608-52-530 % similar