1	ZAD	(S)-1'-(2',3'-dihydroxypropyl)-adenine	1.000
2	ZGU	(S)-1'-(2',3'-dihydroxypropyl)-guanine	0.857
3	APS	9-hydroxypropyladenine, S-isomer	0.737
4	ARP	9-hydroxypropyladenine, R-isomer	0.737
5	ZCY	(S)-1'-(2',3'-dihydroxypropyl)-cytosine	0.714