1 0RB 2-amino-4-oxo-N-(1h-1,2,3-triazol-5-ylmethyl)-1,4-dihydropteridine-7-carboxamide 1.000 2 JP3 2-amino-N-(furan-2-ylmethyl)-4-oxo-3,4-dihydropteridine-7-carboxamide 0.750