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Figure 4
(a) Ylene and (b) ylide resonance structures of 2-di­methyl­sufuran­ylidene-l,3-indanedione (YLID), with (c) and (d) additional charge delocalization across the carbonyl groups.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 56| Part 5| October 2023| Pages 1315-1321
https://doi.org/10.1107/S1600576723007203
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