1	EXC	3-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-8-hydroxy-7,7,9,9-tetramethyl-7,8,9,11-tetrahydropyrimido[4',5' :5,6][1,4]oxazino[2,3-f]isoindol-2(3h)-one radical	1.000
2	YCO	3-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-1h-pyrimido[5,4-B][1,4]benzoxazin-2(3h)-one	0.771
3	TC1	3-(5-phospho-2-deoxy-beta-D-ribofuranosyl)-2-oxo-1,3-diaza-phenothiazine	0.722