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2932Heterocyclic compounds with oxygen hetero-atom (s) only
Subheadings (6-digit WCO)
293211Tetrahydrofuran→2932122-Furaldehyde (furfuraldehyde)→293213Furfuryl alcohol and tetrahydrofurfuryl alcohol→293214Sucralose→293219- - Other→293220Lactones→293291Isosafrole→2932921-(1,3-Benzodioxol-5-yl) propan-2-one→293293Piperonal→293294Safrole→293295Tetrahydrocannabinols (all isomers)→293296Carbofuran (ISO)→293299- - Other→