... pesticide package FAO Standards HerbicideNOMENCLATURE Common name bispyribac-sodium (BSI, pa ISO)IUPAC name sodium 2,6-bis(4,6-dimethoxypyrimidin-2 ... -yloxy)benzoate Chemical Abstracts name sodium 2,6-bis[(4,6-dimethoxy-2-pyrimidinyl)oxy]benzoate ... RN [125401-75-4] for acid; [125401-92-5] for sodium salt PHYSICAL CHEMISTRY Composition Tech. is >93%. Mol. wt. 452 ...