6-(2-Hydroxy-3-methoxyphenyl)-3-imino-2,3,5,6-tetrahydropyrazolo[4,3-e][1,3]thiazin-4(1H)-one AIDS-129013 AIDS129013 NSC319442 {Pyrazolo[4,3-e][1,3]thiazin-4(1H)-one,} 3-amino-5, 6-dihydro-6-(2-hydroxy-3-methoxyphenyl)-