2-((6-Imino-3-methyl-4-(4-methylphenyl)-6,7-dihydropyrazolo[3,4-d][1,3]thiazin-1(4H)-yl)carbonyl)phenol AIDS-141770 AIDS141770 NSC657999 {4H-Pyrazolo[3,4-d][1,3]thiazin-6-amine,} 1-(2-hydroxybenzoyl)-3-methyl-4-(4-methylphenyl)-