6-(tert-butyl)-4-(methylamino)-3-(methylthio)-1,2,4-triazin-5(4H)-one;6-(1,1-Dimethylethyl)-4-(methylamino)-3-(methylthio)-1,2,4-triazin-5(4H)-one; 6-tert-Butyl-4-(methylamino)-3-(methylthio)-1,2,4-triazin-5(4H)-one; Metribuzin Methylamine;N-Methyl Metribuzin