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?? ???? >1-[2-[[(2R)-Tetrahydro-4β-hydroxy-6-oxo-2H-pyran]-2α-yl]ethyl]-2-methyl-4,5-diphenyl-1H-pyrrole-3-carboxylic acid ethyl ester
1-[2-[[(2R)-Tetrahydro-4β-hydroxy-6-oxo-2H-pyran]-2α-yl]ethyl]-2-methyl-4,5-diphenyl-1H-pyrrole-3-carboxylic acid ethyl ester
1-[2-[[(2R)-Tetrahydro-4β-hydroxy-6-oxo-2H-pyran]-2α-yl]ethyl]-2-methyl-4,5-diphenyl-1H-pyrrole-3-carboxylic acid ethyl ester ??
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1-[2-[[(2R)-Tetrahydro-4β-hydroxy-6-oxo-2H-pyran]-2α-yl]ethyl]-2-methyl-4,5-diphenyl-1H-pyrrole-3-carboxylic acid ethyl ester C??? ??, ??, ??
1-[2-[[(2R)-Tetrahydro-4β-hydroxy-6-oxo-2H-pyran]-2α-yl]ethyl]-2-methyl-4,5-diphenyl-1H-pyrrole-3-carboxylic acid ethyl ester ?? ?? ? ???
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1-[2-[[(2R)-Tetrahydro-4β-hydroxy-6-oxo-2H-pyran]-2α-yl]ethyl]-2-methyl-4,5-diphenyl-1H-pyrrole-3-carboxylic acid ethyl ester ?? ??
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