definiens: of the Di sclosing Party means any confidential or proprietary informa tion, data, material or documents, including inform ation, data, material or documents that, ( a ) with respect to the Buyer as the Disclosing Party, primarily per tains to the Radiopharmacy Business, the Purchased Assets and/or the Assumed Liabilities, ( b ) with respect to Selle r as the Disclosing Party, pertains to the Excluded Assets a nd / or the Excluded Liabilities and/or Retained Busi ness and/or financial information of the Seller or, ( c ) with respect to either Party as the Disclosing Part y, pertains to the Transaction Documents and/or the Transactions a nd / or otherwise disclosed under the Transaction Documents, in each case, irrespective of the form o f communication, and all notes, analyses, compilati ons, forecasts, data, translations, studies, memoranda o r other documents prepared by the Receiving Party o r its Representatives that contain or otherwise reflect s uch information, data, material or documents