138571-54-7 3-Cyclopentene-1,2-diol, 5-(6-amino-9H-purin-9-yl)-3-[(1R)-1-hydroxyethyl]-, (1R,2R,5R)- 6'-(R)-6'-C-methylneplanocin A 6'-(R)-methyl-NPA AIDS-072951 AIDS072951 RMNPA TJ13025