1	U2S	1-(5-deoxy-5-morpholin-4-yl-alpha-L-arabinofuranosyl)pyrimidine-2,4(1h,3h)-dione	1.000
2	U3S	1-(5-deoxy-5-piperidin-1-yl-alpha-L-arabinofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.913
3	U4S	1-(5-deoxy-5-pyrrolidin-1-yl-alpha-L-arabinofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.870
4	T3S	5'-deoxy-5'-piperidin-1-ylthymidine	0.833
5	TXS	1-(2,5-dideoxy-5-pyrrolidin-1-yl-beta-L-erythro-pentofuranosyl)-5-methylpyrimidine-2,4(1h,3h)-dione	0.792
6	U1S	1-{5-deoxy-5-[4-(ethoxycarbonyl)piperidin-1-yl]-alpha-L-arabinofuranosyl}pyrimidine-2,4(1h,3h)-dione	0.750
7	D3Z	1-(5-deoxy-beta-L-xylofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.727
8	U4P	5'-deoxyuridine	0.727