104715-74-4 2-((4-Butylphenyl)amino)-9-(2-deoxy-beta-D-erythro-pentofuranosyl)-9H-purine hydrate 2-(p-n-Butylanilino)-9-(2-deoxy-beta-D-ribofuranosyl)purine hydrate 9H-Purine, 2-((4-butylphenyl)amino)-9-(2-deoxy-beta-D-erythro-pentofuranosyl)-, hydrate