4H-Pyrazolo[3,4-d][1,3]thiazin-6-amine der. AIDS-029394 AIDS029394 NSC657372 Pyrazolo[3,4-d][1,3]thiazin-6(1H)-imine, 4-(4-chlorophenyl)-4,7-dihydro-3-methyl-1-(phenylacetyl)-