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Esters of (2,5-disubstituted-1,3,2-dioxaphosphorinan-5-yl)methanol P-oxide with phosphorus acids as flame retardants and process for their preparation
Esters of (2,5-disubstituted-1,3,2-dioxaphosphorinan-5-yl)methanol P-oxide with phosphorus acids as flame retardants and process for their preparation