1,3,2-Benzodioxaphosphole, 2-(2,4,6-tri-t-butylphenoxy)- 2-(2,4,6-Tri-terc.butylfenoxy)-1,3,2-dioxafosfaindan [Czech] 2-(2,4,6-Tri-tert-butylphenoxy)-1,3,2-dioxaphosphaindan DF4367000 Fosfit alkofena B [Czech] Phosphorous acid, cyclic o-phenylene 2,4,6-tri-tert-butylphenyl ester