1,3,2-Dioxaphosphorinane, 2,2'-((2,5-dimethyl-1,4-phenylene)bis(methylene))bis(5,5-dimethyl-, 2,2'-dioxide 2,2'-((2,5-Dimethyl-p-phenylene)bis(methylene))bis(5,5-dimethyl-1,3,2-dioxaphosphorinane) 2,2'-dioxide 65850-54-6 EINECS 265-948-1