Mixtures and preparations consisting mainly of(5-ethyl-2-methyl-2-oxido-1,3,2-dioxaphosphinan-5-yl)menthylmethyl methylphosphonate and bis[(5-ethyl-2-methyl-2-oxido-1,3,2-dioxaphosphinan-5-yl)methyl]methylphosphonate
Mixtures and preparations consisting mainly of(5-ethyl-2-methyl-2-oxido-1,3,2-dioxaphosphinan-5-yl)menthylmethyl methylphosphonate and bis[(5-ethyl-2-methyl-2-oxido-1,3,2-dioxaphosphinan-5-yl)methyl]methylphosphonate