104715-75-5 2-((4-Butylphenyl)amino)-9-(2-deoxy-beta-D-erythro-pentofuranosyl)-6H-purine-6-thione hydrate 2-(p-n-Butylanilino)-6-thioxo-9-(2-deoxy-beta-D-ribofuranosyl)purine hydrate 6H-Purine-6-thione, 2-((4-butylphenyl)amino)-9-(2-deoxy-beta-D-erythro-pentofuranosyl)-, hydrate