5,8-Ethano-1H-(1,2,4)triazolo(1,2-a)(1,2,4)triazine-1,3,7(2H,8H)-trione, dihydro-2-phenyl-6-(2-phenylethyl)-;5,8-Ethano-1H-[1,2,4]triazolo[1,2-a][1,2,4]triazine-1,3,7(2H,8H)-trione, dihydro-2-phenyl-6-(2-phenylethyl)-
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