tokens: The oxygen radical scavenger N-acetyl-L-cysteine , but not an inhibitor of nitric oxide synthase , inhibited LIF -induced HIV replication .
folded_tokens: the oxygen radical scavenger n-acetyl-l-cysteine , but not an inhibitor of nitric oxide synthase , inhibited lif -induced hiv replication .
labels: O B-other_name I-other_name I-other_name B-amino_acid_monomer O O O O O O B-protein_molecule I-protein_molecule I-protein_molecule O O B-protein_molecule O B-virus O O