Vanillin propylene glycol acetal68527-74-2100 % similar Ethylvanillin propylene glycol acetal68527-76-471 % similar 4-[(2R,3S,4R,5R)-5-(1,3-Benzodioxol-5-yl)tetrahydro-3,4-dimethyl-2-furanyl]-2-methoxyphenol78919-28-551 % similar 4-Methyl-2-phenyl-1,3-dioxolane2568-25-448 % similar Vanillylmandelic acid2394-20-946 % similar Vanillylmandelic acid55-10-746 % similar 4-Propylguaiacol2785-87-745 % similar Guaiacin36531-08-545 % similar 2-Methoxyhydroquinone824-46-445 % similar 4-Ethylguaiacol2785-89-944 % similar Vanillyl alcohol498-00-044 % similar 4-Fluoro-2-methoxyphenol450-93-143 % similar 4-Amino-2-methoxyphenol52200-90-543 % similar Secoisolariciresinol29388-59-843 % similar Homovanillyl alcohol2380-78-142 % similar Macelignan107534-93-041 % similar Vanillyl ethyl ether13184-86-640 % similar (4-Hydroxy-3-methoxyphenyl)acetonitrile4468-59-140 % similar 3-Methoxy-4-hydroxybenzylamine hydrochloride7149-10-240 % similar Vanillin121-33-540 % similar