The compound is used as:

Ananlgesic

The compound in the structure is 2-Acetoxybenzoic acid, also known as aspirin, is used as an analgesic. So the answer is (3) Analgesic.

Aspirin is a nonsteroidal anti-inflammatory drug (NSAID) used to reduce pain, fever, and inflammation, and as an antithrombotic. It is one of the most widely used over-the-counter medications in the world.

Aspirin works by inhibiting the production of prostaglandins, which are chemicals that play a role in pain, inflammation, and fever. Prostaglandins are also involved in blood clotting, so aspirin can also be used to prevent blood clots.

Aspirin is a safe and effective medication for most people. However, it can cause side effects such as stomach upset, heartburn, and bleeding. Aspirin should not be taken by people with allergies to aspirin, asthma, or bleeding disorders.

Antiseptics are used to kill or prevent the growth of microorganisms on living tissue. Antibiotics are used to treat infections caused by bacteria. Pesticides are used to kill insects and other pests.