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?? ???? >(1R,3R)-3-[(E)-3-Methoxy-2-methyl-3-oxo-1-propenyl]-2,2-dimethylcyclopropanecarboxylic acid (S)-3-(2-butenyl)-2-methyl-4-oxo-2-cyclopenten-1-yl ester
(1R,3R)-3-[(E)-3-Methoxy-2-methyl-3-oxo-1-propenyl]-2,2-dimethylcyclopropanecarboxylic acid (S)-3-(2-butenyl)-2-methyl-4-oxo-2-cyclopenten-1-yl ester
(1R,3R)-3-[(E)-3-Methoxy-2-methyl-3-oxo-1-propenyl]-2,2-dimethylcyclopropanecarboxylic acid (S)-3-(2-butenyl)-2-methyl-4-oxo-2-cyclopenten-1-yl ester ??
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(1R,3R)-3-[(E)-3-Methoxy-2-methyl-3-oxo-1-propenyl]-2,2-dimethylcyclopropanecarboxylic acid (S)-3-(2-butenyl)-2-methyl-4-oxo-2-cyclopenten-1-yl ester C??? ??, ??, ??
(1R,3R)-3-[(E)-3-Methoxy-2-methyl-3-oxo-1-propenyl]-2,2-dimethylcyclopropanecarboxylic acid (S)-3-(2-butenyl)-2-methyl-4-oxo-2-cyclopenten-1-yl ester ?? ?? ? ???
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(1R,3R)-3-[(E)-3-Methoxy-2-methyl-3-oxo-1-propenyl]-2,2-dimethylcyclopropanecarboxylic acid (S)-3-(2-butenyl)-2-methyl-4-oxo-2-cyclopenten-1-yl ester ?? ??
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