(1,2,5)Thiadiazolo(3,4-d)pyrimidine-5,7(4H,6H)-dione, 4-(2-hydroxyethyl)- 3-(beta-Hydroxyethyl)-8-thiaxanthin 4-(2-Hydroxyethyl)-(1,2,5)thiadiazolo(3,4-d)pyrimidine-5,7(4H,6H)-dione 62700-62-3 BRN 0529805