1	C66	2-aminoethyllysine-carbonylmethylene-cytosine	1.000
2	T66	2-aminoethyllysine-carbonylmethylene-thymine	0.885
3	CPN	2-aminoethylglycine-carbonylmethylene-cytosine	0.792
4	A66	N-(3,7-diaminopurin-6-ylacetyl)-L-lysine	0.786
5	40C	N-[(4-amino-2-oxopyrimidin-1(2h)-yl)acetyl]-N-[(2s)-2-aminopropyl]glycine	0.760