Synonyms: 2-{[4-(4-Methoxyphenyl)-5-oxo-4,5,6,7,8,9-hexahydro[1]benzothieno[3,2-e][1,2,4]triazolo[4,3-a]pyrimidin-1-yl]sulfanyl}acetamide;Acetamide, 2-[[4,5,6,7,8,9-hexahydro-4-(4-methoxyphenyl)-5-oxo[1]benzothieno[3,2-e][1,2,4]triazolo[4,3-a]pyrimidin-1-yl]thio]-