Aldehydes; aldehyde-ethers, aldehyde-phenols and aldehydes with other oxygen function, ethylvanillin (3-ethoxy-4-hydroxybenzaldehyde)
291249 - - - інші
Aldehyde-alcohols, aldehyde-ethers, aldehyde-phenols and aldehydes with other oxygen function; other than vanillin (4-hydroxy-3-methoxybenzaldehyde) and ethylvanillin (3-ethoxy-4-hydroxybenzaldehyde)