1	TPN	2-aminoethylglycine-carbonylmethylene-thymine	1.000
2	40T	N-[(2s)-2-aminopropyl]-N-[(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2h)-yl)acetyl]glycine	0.952
3	IPN	2-aminoethylglycine-carbonylmethylene-5-iodouracil	0.905
4	TP1	2-(methylamino)-ethylglycine-carbonylmethylene-thymine	0.864
5	CPN	2-aminoethylglycine-carbonylmethylene-cytosine	0.857
6	40C	N-[(4-amino-2-oxopyrimidin-1(2h)-yl)acetyl]-N-[(2s)-2-aminopropyl]glycine	0.818
7	T66	2-aminoethyllysine-carbonylmethylene-thymine	0.800
8	CP1	2-(methylamino)-ethylglycine-carbonylmethylene-cytosine	0.739