1,2-Benzenedicarboxylic acid, 2,2-dimethyl-1-(1-methylethyl)-3-(2-methyl-1-oxopropoxy)propyl phenylmethyl ester 16883-83-3 Benzyl 3-isobutyryloxy-1-isopropyl-2,2-dimethylpropyl phthalate EINECS 240-920-1 PHTHALATE Phthalic acid, benzyl 3-hydroxy-1-isopropyl-2,2-dimethylpropyl ester isobutyrat