2-((6-Imino-4-(4-methoxyphenyl)-3-methyl-6,7-dihydropyrazolo[3,4-d][1,3]thiazin-1(4H)-yl)carbonyl)phenol AIDS-141763 AIDS141763 NSC657991 {4H-Pyrazolo[3,4-d][1,3]thiazin-6-amine,} 1-(2-hydroxybenzoyl)-4-(4-methoxyphenyl)-3-methyl-