This drug was first discovered as part of a herbal remedy in 1775 by William Withering, after he asked a local Romani woman how she managed to cure his patient's heart condition.

This potent anti-hypertensive drug was first discovered in the venom of Bothrops jararaca, a venomous snake.

This soporific drug was found safe for human consumption by Serturnur in the early 1800s, after he took a small quantity of salt for a severe toothache and experienced significant pain relief.

This sedative drug was discovered on the 4th of December, 1863 by Johan Baeyer, and was named after Saint Barbara, the patron saint of artillery men.

This class of chemotherapy drugs for lymphoma was discovered by Alfred Gilman and Louis Goodman after studying nitrogen mustard gases during World War 2.