4-(6-Imino-3-methyl-1-(phenylacetyl)-1,4,6,7-tetrahydropyrazolo[3,4-d][1,3]thiazin-4-yl)-1,3-benzenediol AIDS-141501 AIDS141501 NSC657379 {4H-Pyrazolo[3,4-d][1,3]thiazin-6-amine,} 4-(2,4- dihydroxyphenyl)-3-methyl-1-(phenylacetyl)-