产品标签
sph
mixture
ting
ion
rat
methyl
methylphosphonate
oxido
prep
ethyl
产品描述mixtures and preparations consisting mainly of 5-ethyl-2-methyl-2-oxido-1,3,2-dioxaphosphinan-5-yl methyl methyl methylphosphonate and bis[ 5-ethyl-2-methyl-2-oxido-1,3,2-dioxaphosphinan-5-yl methyl] methylphosphonate