2,4(1H,3H)-Pyrimidinedione, 5,6-dihydro-1-(2-thenyloxy)- 30204-56-9 5,6-Dihydro-1-(2-thenyloxy)-2,4(1H,3H)-pyrimidinedione 5-24-05-00275 (Beilstein Handbook Reference) BRN 0796214