138662-99-4 3-Cyclopentene-1,2-diol, 5-(6-amino-9H-purin-9-yl)-3-[(1S)-1-hydroxyethyl]-, (1S,2R,5R)- 6'-(S)-6'-C-methylneplanocin A 6'-(S)-methyl-NPA AIDS-072980 AIDS072980