1,1,3-Trioxo-2H,4H-thieno[3,4-e][1,2,4]thiadiazine der. 214916-48-0 2H-Thieno[2,3-e]-1,2,4-thiadiazin-3(4H)-one, 4-ethyl-2-(phenylmethyl)-, 1,1-dioxide 4-Ethyl-2-benzylthiopheno[2,3-e]1,2,4-thiadiazine-1,1,3-trione AIDS-072167 AIDS072167