tokens: Fludarabine is a nucleoside analog used in the treatment of hematologic malignancies that can induce severe and prolonged immunosuppression .
folded_tokens: fludarabine is a nucleoside analog used in the treatment of hematologic malignancies that can induce severe and prolonged immunosuppression .
labels: B-other_organic_compound O O B-other_organic_compound I-other_organic_compound O O O O O B-other_name I-other_name O O O O O B-other_name I-other_name O