Question

2. A chemical substance used as medicine. ​

Answer 1

Answer:

In pharmacology, a drug is a chemical substance, typically of known structure, which, when administered to a living organism, produces a biological effect. A pharmaceutical drug, also called a medication or medicine, is a chemical substance used to treat, cure, prevent, or diagnose a disease or to promote well-being.

Answer 2

Answer:

insulin glargine

Explanation:

Compounds used as medicines are most often organic compounds, which are often divided into the broad classes of small organic molecules