64526-34-7 7-beta-D-Arabinofuranosyl-7H-pyrrolo(2,3-d)pyrimidin-4-amine 7H-Pyrrolo(2,3-d)pyrimidin-4-amine, 7-beta-D-arabinofuranosyl- Ara-tubercidin Arabinosyltubercidin BRN 0759709