system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: How pharmaceuticals get the crazy names for their drugs?
gpt
Pharmaceutical drugs have three names. 

1. Chemical name. 
2. Generic name
3. Brand name

The chemical name is just what you think it is. It is the actual make up of the drug. A common example is *N-acetyl-p-aminophenol* 

Now, no one wants to have to find **that** nightmare on their shopping list, so the is a generic name assigned to that drug. That, too is based on the chemical name, N-**acet**yl-p-**aminophen**ol, or "acetaminophen"

Of course, since the drug is not patented, there are dozens of brands of acetaminophen available. So if you have to market your company's version of the drug (or if you have a new drug that you are selling exclusively), you need a brand name to grab the attention of patients and doctors. Here's the thing: by law, the name cannot actually mean anything. So "soothe" or "relief" cannot be your brand name. As a marketer... you need to pull something out of your butt. 

In some cases it can be based on the chemical name (for example: N-ace**tyl**-p-aminoph**enol** or "Tylenol"). In many cases, though, the name creates words or uses prefixes or suffixes to suggest good results. Words like "celebrate" or "vigor" get mutated into brand names like "Celebrex" and "Viagra."


EDIT: Gold? Why thank you, kind stranger!