Avid Radiopharmaceuticals (Philadelphia, PA) a development-stage company focused on molecular imaging compounds for diagnostic and detection use in Alzheimer’s, dementia, Parkinson’s and diabetes, closed a $24.5M Series D financing. Participants include Alta Partners, AllianceBernstein, Safeguard Scientifics, Pfizer Venture Investments, Lilly Ventures, RK Ventures Group and BioAdvance.