1,3-Dioxolane, 2-benzyl-4-phenyl- (8CI) 1,3-Dioxolane, 4-phenyl-2-(phenylmethyl)- 2-Benzyl-4-phenyl-1,3-dioxolane 4362-20-3 EINECS 224-448-3 NSC 45662 Phenylacetaldehyde phenylethylene glycol acetal