Synonyms: GD 048;BRN 0537663;3,3,5,7-Tetramethyl-3H-pyrimido(5,4-c)(1,2,5)oxadiazine-6,8(5H,7H)-dione;3H-Pyrimido(5,4-c)(1,2,5)oxadiazine-6,8(5H,7H)-dione, 3,3,5,7-tetramethyl-;3,3,5,7-Tetramethyl-6,8-dioxo-5,6,7,8-tetrahydro-3H-pyrimido-5,4-C-1,2,5-oxadiazine [German];AC1L45M7;LS-136243;3,3,5,7-tetramethylpyrimido[5,4-c][1,2,5]oxadiazine-6,8-dione;3,3,5,7-Tetramethyl-6,8-dioxo-5,6,7,8-tetrahydro-3H-pyrimido-5,4-C-1,2,5-oxadiazine;3120-45-4