SOUTH SAN FRANCISCO--Axys Pharmaceuticals, announced this month that is has formed a new wholly owned subsidiary called Axys Advanced Technologies. The new company, formerly the advanced technologies division of Axys, has been created to market Axys's combinatorial chemistry techniques. Axys Advanced Technologies produces and sells diversity libraries for general screening and directed libraries focused on specific protein targets. It also offers technology and follow-on medicinal chemistry services. Current customers for the new unit include Parke-Davis, Rhone-Poulenc Rorer, Pharmacia & Upjohn, Signal Pharmaceuticals, Protein Design Labs, and Daiichi Pharmaceutical of Japan.