9-beta-D-Psicofuranosyladenine tetraacetate 9H-Purin-6-amine, 9-beta-D-psicofuranosyl-, 1',3',4',6'-tetraacetate AU7105000 Adenine, 9-beta-D-psicofuranosyl-, 1',3',4',6'-tetraacetate Psicofuranine tetraacetate