3-Nitro-1,2,4-triazole24807-55-431 % similar Hexaazatriphenylenehexacabonitrile105598-27-431 % similar 1,2,4-Triazole-3-carboxylic acid4928-87-430 % similar 3-Bromopyridine-2-carbonitrile55758-02-630 % similar 2-Cyanopyridine100-70-930 % similar