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https://pubs.rsc.org/en/Content/ArticleLanding/2021/DT/D1DT02537F Symmetric and non-symmetric anthracen-diyl bis(alkylidynes) - Dalton Transactions (RSC Publishing) symmetric non https://servi-diyl.com/ Servi-Diyl servi https://www.ebi.ac.uk/chebi/CHEBI:197420 [4-(deca-1,8-diyl)-2,5-dioxo-2,5-dihydro-3-furanyl]acetate (CHEBI:197420) Major species at pH 7.3.