translate English to French: . Unsaturated compounds having -- CHO groups bound to carbon atoms of rings other than sixmembered aromatic rings . . with a three- or four-membered ring [3] . . with a five-membered ring [3] . . with a six-membered ring [3] . . with a seven- to twelve-membered ring [3] . . polycyclic [3] . . . containing a condensed ring system [3] . . having unsaturation outside the rings [2]
. Composés comportant des groupes -- CHO liés à des atomes de carbone de cycles aromatiques à six chaînons . . Benzaldéhyde . . Benzaldéhydes alkylés [3] . . Diformylbenzènes; Leurs dérivés alkylés [3] . . polycycliques [3]