1-Deaza ddP deriv. 134720-14-2 2-Furanmethanol, tetrahydro-5-(3H-imidazo[4,5-b]pyridin-3-yl)-, (2S-cis)- 9-.beta.-D-2',3'-Dideoxyribofuranosyl 1-deazapurine AIDS-002635 AIDS002635