ck303Pipe; Cosibelimab; Olafertinib; CK-103; CK-302; CK-303; Cosibelimab: An Anti-PD-L1 Antibody. Cosibelimab (CK-301) is a human immunoglobulin G1 (G1) monoclonal antibodyCherokee iFlex Zip Front Jackets #CK303 A Sporty, Contemporary fit jacket features two front welt pockets and a front zip closure with zipper garage to