2-((4-(2-Hydroxyphenyl)-6-imino-3-methyl-6,7-dihydropyrazolo[3,4-d][1,3]thiazin-1(4H)-yl)carbonyl)phenol AIDS-141762 AIDS141762 NSC657990 {4H-Pyrazolo[3,4-d][1,3]thiazin-6-amine,} 1-(2-hydroxybenzoyl)-4-(2-hydroxyphenyl)-3-methyl-