8.19
[1]. Pauwels R, et, al. Investigations on the anti-HIV activity of ',3'-dideoxyadenosine analogues with modifications in either the pentose or purine moiety. Potent and selective anti-HIV activity of ,-diaminopurine ',3'-dideoxyriboside. Biochem Pharmacol. 1988 Apr 1;37(7):1317-5.
H30-H315-H319-H335
P1-P4-P70-P71-P80-P30+P35-P304+P340-P305+P351+P338-P330-P3+P34-P403+P33-P405-P501