Now, when you know more about the common functional groups in organic molecules, it’s a good idea to do some practice. Below, I have a list of common drugs you might encounter in your pre-med or med school studies if you’re pursuing a health-focused major. And if you’re not, well, it’s still fun to know what those are. It’s a cool party trick when you can identify a potent compound by looking at it or at least know what are the basic building blocks are.