1,1,3-Trioxo-2H,4H-thieno[3,4-e][1,2,4]thiadiazine der. 214916-51-5 4,6-Dimethyl-2-benzylpyrazolo[4,3-e]1,2,4-thiadiazaperhydroine-1,1,3-trione AIDS-072171 AIDS072171 Pyrazolo[4,3-e]-1,2,4-thiadiazin-3(2H)-one, 4,6-dihydro-4,6-dimethyl-2-(phenylmethyl)-, 1,1-dioxide