Mixtures and preparations consisting mainly of "5ethyl2methyl2oxido1,3,2dioxaphosphinan5yl"methyl methyl methylphosphonate and bis["5ethyl2methyl2oxido1,3,2dioxaphosphinan5yl"methyl] methylphosphonate
Chemical products and preparations of the chemical or allied industries, incl. those consisting of mixtures of natural products, n.e.s.