2-[4-(2,6-dioxo-1-propyl-3,7-dihydropurin-8-yl)phenoxy]-N-(2-hydroxyethyl)acetamide
2-[4-(2,6-diketo-1-propyl-3,7-dihydropurin-8-yl)phenoxy]-N-(2-hydroxyethyl)acetamide
2-[4-(2,6-dioxo-1-propyl-3,7-dihydropurin-8-yl)phenoxy]-N-(2-hydroxyethyl)ethanamide