| 11. | Very few studies compare individual enantiomers with racemic lipoic acid.
 
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 | 12. | The molecule has two possible enantiomers as shown in the structural diagrams.
 
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 | 13. | It is the racemic mixture of two enantiomers, dexfenfluramine and levofenfluramine.
 
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 | 14. | Individual enantiomers are often designated as either " organic and inorganic chemistry.
 
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 | 15. | Tocotrienols extracted from natural sources always consist of the dextrorotatory enantiomers only.
 
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 | 16. | The figure below shows how the D enantiomer is favored.
 
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 | 17. | It is a stereoisomer and pseudo-enantiomer of cinchonine.
 
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 | 18. | It is a stereoisomer and pseudo-enantiomer of cinchonidine.
 
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 | 19. | Styrene oxide has a chiral center and thus two enantiomers.
 
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 | 20. | Levopropylhexedrine is the " S "-enantiomer of propylhexedrine.
 
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