134793-51-4 3-(Ethoxycarbonylmethylthio)-6-(2-trifluoroacetylaminophenyl)-1,2,4-triazine-5-(4H)one 3F-1,2,4-triazine derv. AIDS-002932 AIDS002932 Acetic acid, [[2,5-dihydro-5-oxo-6-[2-[(trifluoroacetyl)amino]phenyl]-1,2,4-triazin-3-yl]thio]-, ethyl ester