1,2-Ethanediamine, N-((2-(1-nitroethyl)phenyl)methyl)-, monopotassium salt 53404-62-9 EPA Pesticide Chemical Code 101301 Metasol J 26 Metasol J-26 N-((2-(1-Nitroethyl)phenyl)methyl)-1,2-ethanediamine monopotassium salt Potassium N-(alpha-(nitroethyl)benzyl)ethylenediamine