Which two Fischer formulas represent a pair of enantiomers? C₂H5 CI- -H CH3 HO -H 1D-TH O C₂H5 I III & IV I & IV O b. O c. II & III Od. 1 & 11 CH3 HIC -H HOT! C₂H5 II HO-H CH3 III CH3 HO H CI-H C₂H5 IV

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