P863: GENERATION OF A FIRST-IN-CLASS INHIBITOR FOR THE MASTER ONCOREGULATOR HNRNP K IN MULTIPLE MYELOMA. (23rd June 2022) - Otero Sobrino, Á.; Le Coq, J.; Aguilar-Garrido, P.; Navarro Aguadero, M. Á.; Albarrán, M. I.; Klett, J.; Blanco, C.; Fernández-Leiro, R.; Martínez-López, J.; Velasco, M.