1,1,3-Trioxo-2H,4H-thieno[3,4-e][1,2,4]thiadiazine der. 2-[1,1,3-Trioxo-2-benzylthiopheno[3,4-e]1,2,4-thiadiazaperhydroin-4-yl]ethanenitrile AIDS-072092 AIDS072092 QM 96521 QM96521