1,5-Dihydro-2H-pyrimido(4,5-b)(1,4)thiazine-2,4,6(3H,7H)-trione 2H-Pyrimido(4,5-b)(1,4)thiazine-2,4,6(3H,7H)-trione, 1,5-dihydro- 56223-56-4 BRN 0532615