Illustrated Glossary of Organic Chemistry

Antiemetic: A pharmaceutical used to treat nausea and vomiting.

Molecular structure of thalidomide, an antiemetic prescribed to pregnant women in the late 1950's and early 1960's but withdrawn due to teratogenic effect.

Molecular structure of dexamethasone, a steroidal antiemetic given to counteract nausea and vomiting associated with general anesthesia.