1,2,4-Triazine-2,5(2H,4H)-dione, 6-(1,1-dimethylethyl)- 52236-30-3 6-(1,1-Dimethylethyl)-1,2,4-triazine-2,5(2H,4H)-dione 6-(TERT-BUTYL)-1,2,4-TIRAZINE-3,5(2H,4H)-DIONE