2-((6-Imino-3-methyl-4-phenyl-6,7-dihydropyrazolo[3,4-d][1,3]thiazin-1(4H)-yl)carbonyl)phenol AIDS-141761 AIDS141761 NSC657989 {4H-Pyrazolo[3,4-d][1,3]thiazin-6-amine,} 1-(2- hydroxybenzoyl)-3-methyl-4-phenyl-