4-(6-Imino-3-methyl-1-(phenylacetyl)-1,4,6,7-tetrahydropyrazolo[3,4-d][1,3]thiazin-4-yl)-2-methoxyphenol AIDS-141504 AIDS141504 NSC657382 {4H-Pyrazolo[3,4-d][1,3]thiazin-6-amine,} 4-(4-hydroxy- 3-methoxyphenyl)-3-methyl-1-(phenylacetyl)-