Synonyms: BRN 5648235;1-Ethyl-1,4-dihydro-9-methyl-3-(2-thienyl)-(1,2,4)triazino(3,4-f)purine-6,8(7H,9H)-dione;(1,2,4)Triazino(3,4-f)purine-6,8(7H,9H)-dione, 1-ethyl-1,4-dihydro-9-methyl-3-(2-thienyl)-;AC1MI8L6;LS-155729;1-ethyl-9-methyl-3-thiophen-2-yl-4H-purino[8,7-c][1,2,4]triazine-6,8-dione;105774-53-6