Astex is a member of the Otsuka Group. Astex is researching and developing therapeutic agents resulting from our Pyramid™ drug discovery platform and collaborations.

The logos shown above and Astex, Pyramid, AutoSolve, AstexViewer, HTX and Astex Rule of 3 are trademarks and, in some cases, registered trademarks of Astex in various countries.


AstexViewer™ is a Java molecular graphics program that assists in structure-based drug design. OpenAstexViewer is freely available under an open source license from the following site: