1,1,3-Trioxo-2H,4H-thieno[3,4-e][1,2,4]thiadiazine der. 2-[1,1,3-Trioxo-2-benzylthiopheno[2,3-e]1,2,4-thiadiazin-4-yl]ethanenitrile 214916-50-4 4H-Thieno[2,3-e]-1,2,4-thiadiazine-4-acetonitrile, 2,3-dihydro-3-oxo-2-(phenylmethyl)-, 1,1-dioxide AIDS-072169 AIDS072169