5,5,8,8-Tetrafluoro-6-methoxy-5,8-dihydroquinoline

The title compound, 5,5,8,8-tetrafluoro-6-methoxy-5,8-dihydroquinoline, C₁₀H₇F₄NO, has a planar 1,4-cyclohexadiene ring with a maximum deviation of 0.019 (3) Å from planarity, The C(6)=C(7) double bond [1.327 (4) Å] is shorter than the C(9)=C(10) double bond [1.382 (4) Å], the latter value being consistent with that found in pyridine rings.