Analogues are drugs that have close structural resemblance and similar effects. For instance one could argue that naproxen (Aleve) is an analog of ibuprofen (Motrin/Advil). Most analogues are designed because true synthetic natural products are hard to make, or are not potent enough.
Definition of several. 1a : separate or distinct from one another federal union of the several statesb (1) : individually owned or controlled : exclusive a several fishery â compare common (2) : of or relating separately to each individual involved a several judgmentc : being separate and distinctive : respective specialists in their several fields.
The word individual is all about being a single entity that cannot be divided. It can mean person or even personal. A team is made up of individuals, and each individual has individual strengths and weaknesses. Sometimes individual is a way of referring to a person, quasi-formally. You might elevate the phrase This guy walks into my shop, by saying, This individual walks into my shop..