Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W4247984502', 'doi': 'https://doi.org/10.1002/0471264180.os900.07', 'title': 'Protocatechuic Acid', 'display_name': 'Protocatechuic Acid', 'publication_year': 2003, 'publication_date': '2003-04-28', 'ids': {'openalex': 'https://openalex.org/W4247984502', 'doi': 'https://doi.org/10.1002/0471264180.os900.07'}, 'language': 'ro', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1002/0471264180.os900.07', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S101014958', 'display_name': 'Organic Syntheses', 'issn_l': '0078-6209', 'issn': ['0078-6209', '2333-3553'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320595', 'host_organization_name': 'Wiley', 'host_organization_lineage': ['https://openalex.org/P4310320595'], 'host_organization_lineage_names': ['Wiley'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'other', 'type_crossref': 'other', 'indexed_in': ['crossref'], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5054908328', 'display_name': 'Irwin A. Pearl', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': True, 'raw_author_name': 'Irwin A. Pearl', 'raw_affiliation_strings': [], 'affiliations': []}], 'institution_assertions': [], 'countries_distinct_count': 0, 'institutions_distinct_count': 0, 'corresponding_author_ids': ['https://openalex.org/A5054908328'], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': None, 'has_fulltext': False, 'cited_by_count': 0, 'citation_normalized_percentile': {'value': 0.0, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 0, 'max': 59}, 'biblio': {'volume': None, 'issue': None, 'first_page': '745', 'last_page': '745'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T12385', 'display_name': 'Food Quality and Safety Studies', 'score': 0.5311, 'subfield': {'id': 'https://openalex.org/subfields/1106', 'display_name': 'Food Science'}, 'field': {'id': 'https://openalex.org/fields/11', 'display_name': 'Agricultural and Biological Sciences'}, 'domain': {'id': 'https://openalex.org/domains/1', 'display_name': 'Life Sciences'}}, 'topics': [{'id': 'https://openalex.org/T12385', 'display_name': 'Food Quality and Safety Studies', 'score': 0.5311, 'subfield': {'id': 'https://openalex.org/subfields/1106', 'display_name': 'Food Science'}, 'field': {'id': 'https://openalex.org/fields/11', 'display_name': 'Agricultural and Biological Sciences'}, 'domain': {'id': 'https://openalex.org/domains/1', 'display_name': 'Life Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/protocatechuic-acid', 'display_name': 'Protocatechuic acid', 'score': 0.99045885}], 'concepts': [{'id': 'https://openalex.org/C2781203734', 'wikidata': 'https://www.wikidata.org/wiki/Q418599', 'display_name': 'Protocatechuic acid', 'level': 3, 'score': 0.99045885}, {'id': 'https://openalex.org/C185592680', 'wikidata': 'https://www.wikidata.org/wiki/Q2329', 'display_name': 'Chemistry', 'level': 0, 'score': 0.57157934}, {'id': 'https://openalex.org/C43617362', 'wikidata': 'https://www.wikidata.org/wiki/Q170050', 'display_name': 'Chromatography', 'level': 1, 'score': 0.40627754}, {'id': 'https://openalex.org/C55493867', 'wikidata': 'https://www.wikidata.org/wiki/Q7094', 'display_name': 'Biochemistry', 'level': 1, 'score': 0.16894272}, {'id': 'https://openalex.org/C2778004101', 'wikidata': 'https://www.wikidata.org/wiki/Q133948', 'display_name': 'Antioxidant', 'level': 2, 'score': 0.0}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1002/0471264180.os900.07', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S101014958', 'display_name': 'Organic Syntheses', 'issn_l': '0078-6209', 'issn': ['0078-6209', '2333-3553'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320595', 'host_organization_name': 'Wiley', 'host_organization_lineage': ['https://openalex.org/P4310320595'], 'host_organization_lineage_names': ['Wiley'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 2, 'referenced_works': ['https://openalex.org/W2083056295', 'https://openalex.org/W2332184599'], 'related_works': ['https://openalex.org/W657579294', 'https://openalex.org/W4387497383', 'https://openalex.org/W2948807893', 'https://openalex.org/W2778153218', 'https://openalex.org/W2748952813', 'https://openalex.org/W2527526854', 'https://openalex.org/W2078814861', 'https://openalex.org/W1986764834', 'https://openalex.org/W1976181487', 'https://openalex.org/W1531601525'], 'abstract_inverted_index': {'Abstract': [0], 'Protocatechuic': [1], 'acid': [2, 5], 'product:': [3], 'protocatechuic': [4]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W4247984502', 'counts_by_year': [], 'updated_date': '2024-12-11T17:21:21.398741', 'created_date': '2022-05-12'}