1,3-Propanediol, 2,2-dimethyl-, dibenzoate 2,2-Dimethyl-1,3-propanediol dibenzoate 2,2-Dimethylpropane-1,3-diyl dibenzoate 4196-89-8 EINECS 224-081-9 NEOPENTYL GLYCOL DIBENZOATE NSC 166504