1,3,2-Dioxaphosphorinane, 4,6-diphenyl-2-(2-propenyl)-, 2-oxide, (2alpha,4alpha,6alpha)- 145051-55-4 4,6-Diphenyl-2-(2-propenyl)-1,3-dioxa-2-phosphorinane 2-oxide Dppd-phos 2-oxide