Section 06 Products of the chemical or allied 29 Organic chemicals 29 12 Aldehydes; cyclic polymers of aldehydes; paraformaldehyde 29 12 29 Other cyclic aldehydes, without oxygen function, nes 29 12 29 00 Other cyclic aldehydes, without oxygen function, nes Commodity Code Description 29 12 29 00 00 Other cyclic aldehydes, without oxygen function, nes