1H-Purine-2,6-dione, 8-[(3,4-dihydro-2H-pyran-2-yl)oxy]-3,7-dihydro-1,3,7-trimethyl- 73747-34-9 8-[(3,4-Dihydro-2H-pyran-2-yl)oxy]caffeine Caffeine, 8-[(3,4-dihydro-2H-pyran-2-yl)oxy]- NSC106199