1,3-Dioxolane, 4-methyl-2-(1-phenylethyl)- 2-(alpha-Methylbenzyl)-4-methyl-1,3-dioxolane 2-Phenylpropanal propylene glycol acetal 2-Phenylpropionaldehyde propylene glycol acetal 4-Methyl-2-(1-phenylethyl)-1,3-dioxolan 4-Methyl-2-(1-phenylethyl)-1,3-dioxolane 4-Methyl-2-(alpha-methylbenzyl)-1,3-dioxolane 67634-23-5 EINECS 266-828-1 Hydratropaldehyde propyleneglycol acetal Hydratropic aldehyde propylene glycol acetal