1	ZHP	(S)-1'-(2',3'-dihydroxypropyl)-hydroxypyridone	1.000
2	8RJ	(R)-1'-(2',3'-dihydroxypropyl)-thymine	0.714
3	ZBU	(S)-1'-(2',3'-dihydroxypropyl)-5-bromo-uracil	0.714
4	ZTH	(S)-1'-(2',3'-dihydroxypropyl)-thymine	0.714