1-(4-Chlorobenzoyl)-3-methyl-4-(4-methylphenyl)-4,7-dihydropyrazolo[3,4-d][1,3]thiazin-6(1H)-imine AIDS-141752 AIDS141752 NSC657975 {4H-Pyrazolo[3,4-d][1,3]thiazin6-amine,} 1-(4-chlorobenzoyl)- 3-methyl-4-(4-methylphenyl)-