ROCKVILLE, Md.--(BUSINESS WIRE)--Rexahn Pharmaceuticals, Inc. (NYSE Amex: RNN), a clinical stage pharmaceutical company developing and commercializing potential best in class oncology and CNS therapeutics, today announced the publication of new preclinical data on the development of 3-aryl-1-isoquinolinamines in the European Journal & Medicinal Chemistry [45:5493-5497, 2010].