compound 2-formamido-N(1)-(5-phospho-D-ribosyl)acetamidine C8H16N3O8P CHEBI:18413 KEGG:C04640 UPa:UPC04640 InChI=1S/C8H16N3O8P/c9-5(1-10-3-12)11-8-7(14)6(13)4(19-8)2-18-20(15,16)17/h3-4,6-8,13-14H,1-2H2,(H2,9,11)(H,10,12)(H2,15,16,17)/t4-,6-,7-,8-/m1/s1 compound 2-(formamido)-N(1)-(5-phospho-D-ribosyl)acetamidine