tokens: Competition analysis showed that the anti-estrogen tamoxifen and the flavonoids quercetin and rutin competed for ( 3H ) -E2 binding to type-II EBS .
folded_tokens: competition analysis showed that the anti-estrogen tamoxifen and the flavonoids quercetin and rutin competed for ( 3h ) -e2 binding to type-ii ebs .
labels: O O O O O B-other_organic_compound B-other_organic_compound O O B-other_organic_compound B-other_organic_compound O B-other_organic_compound O O B-other_name I-other_name I-other_name I-other_name I-other_name O B-protein_family_or_group I-protein_family_or_group O