Pharmacology General 7b5dda65 All of the following are monoclonal antibodies against CD-20 except : A Rituximab B Ofatumumab C Ocrelizumab D Brentuximab High-Yield Explanation Rituximab, Ofatumumab, Ocrelizumab & Obinutuzumab are monoclonal antibodies against Cd-20. Brentuximab acts against CD30.