Exhibit 10.1 LICENSE AND CO-MARKETING AGREEMENT This Agreement, effective on April 12, 2005 ("Effective Date"), is by and between Symbollon Pharmaceuticals, Inc., having a place of business at 37 Loring Drive, Framingham, MA 01702, and its Affiliates...License and Co-Marketing Agreement • May 16th, 2005 • Symbollon Corp • Biological products, (no disgnostic substances) • New York
