(Q105346491)
Statements
C₂₀H₂₀O₅
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O=C1C(OC)=CC2(C(=O)C1C(C3=CC=C4OCOC4=C3)C2C)CC=C
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C=CC[C@@]12C=C(OC)C(=O)[C@H](C1=O)C(c1ccc3c(c1)OCO3)C2C
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group of stereoisomers with the chemical formula C₂₀H₂₀O₅