Keywords: Aminoethylphosphonite.png en O-Alkyl H or <C10 incl cycloalkyl O-2-dialkyl Me Et n-Pr or i-Pr -aminoethyl alkyl Me Et n-Pr or i-Pr phosphonites Schedule 1 precursor on the chemical weapons convention Own L tak 2010-04-01 R1 H or <C10 incl cycloalkyl R2 R3 R4 Me Et n-Pr or i-Pr Chemical weapons |