2,2,4-Trimethyl-1,3-pentanediol benzoate isobutyrate 35164-39-7 EINECS 252-412-7 Isobutyric acid, ester with 2,2,4-trimethylpentane-1,3-diol benzoate Propanoic acid, 2-methyl-, ester with 2,2,4-trimethyl-1,3-pentanediol monobenzoate