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?? ???? >(1S)-4,7,7-Trimethyl-3-oxo-2-oxabicyclo[2.2.1]heptane-1-carboxylic acid α-(trifluoromethyl)benzyl ester
(1S)-4,7,7-Trimethyl-3-oxo-2-oxabicyclo[2.2.1]heptane-1-carboxylic acid α-(trifluoromethyl)benzyl ester
(1S)-4,7,7-Trimethyl-3-oxo-2-oxabicyclo[2.2.1]heptane-1-carboxylic acid α-(trifluoromethyl)benzyl ester ??
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(1S)-4,7,7-Trimethyl-3-oxo-2-oxabicyclo[2.2.1]heptane-1-carboxylic acid α-(trifluoromethyl)benzyl ester C??? ??, ??, ??
(1S)-4,7,7-Trimethyl-3-oxo-2-oxabicyclo[2.2.1]heptane-1-carboxylic acid α-(trifluoromethyl)benzyl ester ?? ?? ? ???
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(1S)-4,7,7-Trimethyl-3-oxo-2-oxabicyclo[2.2.1]heptane-1-carboxylic acid α-(trifluoromethyl)benzyl ester ?? ??
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