The present invention relates to novel 2-aminopyridine derivative compounds of the following formula: ##STR1## wherein R.sup.1 to R.sup.5 have the meanings provided herein. The invention further relates to combinatorial libraries containing two or more such compounds, as well as methods of preparing 2-aminopyridine derivative compounds.

A invenção atual relaciona-se aos compostos derivative da novela 2-aminopyridine da seguinte fórmula: ## do ## STR1 wherein R.sup.1 a R.sup.5 têm os meanings fornecidos nisto. A invenção mais adicional relaciona-se às bibliotecas combinatorial que contêm dois ou mais tais compostos, assim como métodos de preparar compostos do derivative 2-aminopyridine.