1	94O	3-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-2h-indeno[2',1':5,6]pyrido[2,3-D]pyrimidine-2,6(3h)-dione	1.000
2	TC1	3-(5-phospho-2-deoxy-beta-D-ribofuranosyl)-2-oxo-1,3-diaza-phenothiazine	0.758
3	YCO	3-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-1h-pyrimido[5,4-B][1,4]benzoxazin-2(3h)-one	0.758
4	N6P	6-(naphthalen-2-yl)-9-(5-O-phosphono-beta-D-ribofuranosyl)-9h-purine	0.750
5	B7C	3-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-7,8-dihydropyrido[2,3-D]pyrimidin-2(3h)-one	0.742
6	D3N	1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-1h-perimidin-2(3h)-one	0.727