The first thing you should know is that when the focused substances are under experiments, whatever in vitro or in vivo studies, they are called in official code such as AT99999, VZ13579 etc. Later, when they are mass produced to the drug market it will be licensed under generic names such as paracetamol, ibuprofen, propranolol, and also remdesivir. While the trade name or brand name is presented by each pharmaceutical company such as Atripla®, Tecartus™ and Veklury®.