2-(6-Imino-1-isonicotinoyl-3-methyl-1,4,6,7-tetrahydropyrazolo[3,4-d][1,3]thiazin-4-yl)phenol AIDS-141754 AIDS141754 NSC657980 {4H-Pyrazolo[3,4-d][1,3]thiazin-6-amine,} {4-(2-hydroxyphenyl)-3-methyl-1-[(4-pyridinyl)carbonyl]-}