1	OI7	1,7-di-O-phosphono-beta-D-altro-hept-2-ulofuranose	1.000
2	S7P	1-C-(hydroxymethyl)-6-O-phosphono-beta-D-altrofuranose	0.739
3	F1X	1-O-phosphono-beta-D-fructofuranose	0.727