4.2.1.19 0.008 - phosphate - 5533 4.2.1.19 0.03 - 3-Amino-1,2,4-triazole - 5533 4.2.1.19 0.31 - 3-Amino-1,2,4-triazole at pH 7.7 and 30°C 728872 4.2.1.19 5 - phosphate 30°C, pH not specified in the publication 749384