4,5,6-Pyrimidinetriamine118-70-731 % similar 3-Amino-1,2,4-triazine1120-99-631 % similar Guanine sulfate10333-92-331 % similar 3,5-Diamino-1,2,4-triazole1455-77-230 % similar 3,5-Diamino-1,2,4-triazole503-88-830 % similar Irsogladine57381-26-730 % similar