1H-Purine-2,6-dione, 3,7-dihydro-8-(ethylthio)- 1H-Purine-2,6-dione, 8-(ethylthio)-3,7-dihydro- (9CI) 2-26-00-00322 (Beilstein Handbook Reference) 73840-29-6 8-(Ethylthio)xanthine BRN 0212370 NSC 81499 Xanthine, 8-(ethylthio)-