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 | ... AHYDROFU ... (12 elements)de (2) : POLYTETRAHYDROFURAN · TETRAHYDROFURAN en (4) : TETRAHYDROFURAN · TETRAHYDROFURANS · TETRAHYDROFURFURYL · TETRAHYDROFURYL fi (1) : TETRAHYDROFURAANI fr (2) : TETRAHYDROFURANE · TETRAHYDROFURANNE nl (1) : TETRAHYDROFURAAN pl (1) : TETRAHYDROFURAN sv (1) : TETRAHYDROFURAN |
 | FORMIMINOTETRAHYDROFOLATE · FORMYLTETRAHYDROFOLATES · FORMYLTETRAHYDROFOLIC · FORMYLTETRAHYDROFOLIQUE · METHENYLTETRAHYDROFOLATE · METHYLENETETRAHYDROFOLATE · METHYLTETRAHYDROFOLATE · TETRAHYDROFOLATES · TETRAHYDROFOLIC · TETRAHYDROFOLSAURE HYDROFUE · POLYTETRAHYDROFURAN · TETRAHYDROFURAAN · TETRAHYDROFURAANI · TETRAHYDROFURAN · TETRAHYDROFURANE · TETRAHYDROFURANNE · TETRAHYDROFURANS · TETRAHYDROFURFURYL · TETRAHYDROFURYL |
 | ... AHYDROFUR ... (12 elements) POLYTETRAHYDROFURAN · TETRAHYDROFURAAN · TETRAHYDROFURAANI · TETRAHYDROFURAN · TETRAHYDROFURANE ... RAHYDROFU ... (12 elements) POLYTETRAHYDROFURAN · TETRAHYDROFURAAN · TETRAHYDROFURAANI · TETRAHYDROFURAN · TETRAHYDROFURANE |