1	FGR	N-(N-formylglycyl)-5-O-phosphono-beta-D-ribofuranosylamine	1.000
2	GAR	Glycinamide ribonucleotide	0.810
3	2DF	N-(2-deoxy-beta-D-erytho-pentofuranosyl-5-phosphate) formamide	0.750
4	XB9	N-carbamoyl-2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosylamine	0.714