1	85Y	2'-deoxy-5-{[(naphthalen-2-yl)methyl]carbamoyl}uridine 5'-(dihydrogen phosphate)	1.000
2	2JU	2'-deoxy-5-[(naphthalen-1-ylmethyl)carbamoyl]uridine 5'-(dihydrogen phosphate)	0.943
3	DUZ	5-(benzylcarbamoyl)-2'-deoxyuridine 5'-(dihydrogen phosphate)	0.882
4	18Q	2'-deoxy-5-[(thiophen-2-ylmethyl)carbamoyl]uridine 5'-(dihydrogen phosphate)	0.800