3-Methylthio-4-amino-6-tert-butyl-1,2,4-triazin-5(4H)-one; 4-Amino-6-(1,1-dimethylethyl)-3-(methylthio)-1,2,4-triazin-5(4H)-one; 4-Amino-6-tert-butyl-3-(methylthio)-1,2,4-triazin-5-one; 4-Amino-6-tert-butyl-3-(methylthio)-4,5-dihydro-1,2,4-triazin-5-one; BAY 6159; BAY 61597; BAY 6159H; BAY 94337; Bayer 6159; DPX 2504; Lexone; Lexone DF; Metribuzin; Metribuzine; Sencor; Sencor 4F; Sencor 75DF; Sencorex; Sencorex L.F.; Senkor; Zontran;Metribuzin