1	3R3	[[[(2r,3r,4s,5r)-3,4-bis(oxidanyl)-5-(phosphonooxymethyl)oxolan-2-yl]oxy-oxidanyl-phosphoryl]amino]phosphonic acid	1.000
2	RI2	1,5-di-O-phosphono-alpha-D-ribofuranose	0.739