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Ibuprofen contains |
only S-enantiomer only R-enantiomer the racemic mixture of both R and S enantiomer both R and S enantiomers are active pain killers |
the racemic mixture of both R and S enantiomer |
The answer is 3. Ibuprofen contains a racemic mixture of both R and S enantiomers. The R-enantiomer is not active as a pain killer, but it does have some anti-inflammatory properties. The S-enantiomer is the active form of ibuprofen and is responsible for its pain-killing and anti-inflammatory effects. |
