9-(3,4-Dimethoxyphenyl)-5-methyltetraazolo(1,5-a)(1,2,4)triazolo(4,3-c)pyrimidine;9-(3,4-Dimethoxyphenyl)-5-methyltetraazolo[1,5-a][1,2,4]triazolo[4,3-c]pyrimidine
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