The small yet possibly significant differences between the correlation coefficients (1% and 3.5% for 13 C and 1 H-NMR correlations, respectively) could be due to the difference in stereochemistry at C20.
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Structure and absolute configuration of 20β-Hydroxyprednisolone, a biotransformed product of predinisolone by the marine endophytic fungus Penicilium lapidosum.
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