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Which of the following drugs contains one or more chiral (stereogenic) carbon atoms?

1. Penicillin
2. Chloramphenicol
3. Terpineol
4. Pheneizine (Nardil)

Correct answer: Chloramphenicol

Solution

Chloramphenicol has two chiral carbon centres (it is the (1R,2R) isomer that is active), so it clearly contains chiral carbons. Among the listed options it is the standard answer.

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