63718-94-5

Phosphorous acid,(1-methylethylidene)bis[2-(1,1-dimethylethyl)-4,1-phenylene]tetrakis[[2-[2-[3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl]ethyl]-5-ethyl-2-methyl-1,3-dioxan-5-yl]methyl] ester