1-Isonicotinoyl-4-(4-methoxyphenyl)-3-methyl-4,7-dihydropyrazolo[3,4-d][1,3]thiazin-6(1H)-imine AIDS-141755 AIDS141755 NSC657981 {4H-Pyrazolo[3,4-d][1,3]thiazin-6-amine,} {4-(4-methoxyphenyl)-3-methyl-1-[(4-pyridinyl)carbonyl]-}