10175-95-8 EINECS 233-449-8 Phosphonic acid, ((3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl)methyl)-, monobutyl ester, zinc salt (2:1) Zinc dibutyl bis(((3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl)methyl)phosphonate)