{"best_oa_location":{"endpoint_id":null,"evidence":"deprecated","host_type":"publisher","is_best":true,"license":null,"oa_date":"1974-05-01","pmh_id":null,"repository_institution":null,"updated":"deprecated","url":"http://www.journal.csj.jp/doi/pdf/10.1246/bcsj.47.1277","url_for_landing_page":"https://doi.org/10.1246/bcsj.47.1277","url_for_pdf":"http://www.journal.csj.jp/doi/pdf/10.1246/bcsj.47.1277","version":"publishedVersion"},"data_standard":2,"doi":"10.1246/bcsj.47.1277","doi_url":"https://doi.org/10.1246/bcsj.47.1277","first_oa_location":{"endpoint_id":null,"evidence":"deprecated","host_type":"publisher","is_best":true,"license":null,"oa_date":"1974-05-01","pmh_id":null,"repository_institution":null,"updated":"deprecated","url":"http://www.journal.csj.jp/doi/pdf/10.1246/bcsj.47.1277","url_for_landing_page":"https://doi.org/10.1246/bcsj.47.1277","url_for_pdf":"http://www.journal.csj.jp/doi/pdf/10.1246/bcsj.47.1277","version":"publishedVersion"},"genre":"journal-article","has_repository_copy":false,"is_oa":true,"is_paratext":false,"journal_is_in_doaj":false,"journal_is_oa":false,"journal_issn_l":"0009-2673","journal_issns":"0009-2673,1348-0634","journal_name":"Bulletin of the Chemical Society of Japan","oa_locations":[{"endpoint_id":null,"evidence":"deprecated","host_type":"publisher","is_best":true,"license":null,"oa_date":"1974-05-01","pmh_id":null,"repository_institution":null,"updated":"deprecated","url":"http://www.journal.csj.jp/doi/pdf/10.1246/bcsj.47.1277","url_for_landing_page":"https://doi.org/10.1246/bcsj.47.1277","url_for_pdf":"http://www.journal.csj.jp/doi/pdf/10.1246/bcsj.47.1277","version":"publishedVersion"}],"oa_locations_embargoed":[],"oa_status":"bronze","published_date":"1974-05-01","publisher":"Oxford University Press (OUP)","title":"Bitter Principles of <i>Isodon umbrosus</i> Hara. The Structures of Umbrosin A and B","updated":"2025-05-22T18:42:22Z","year":1974,"z_authors":[{"author_position":"first","is_corresponding":true,"raw_affiliation_strings":["Faculty of Science, Osaka City University"],"raw_author_name":"Isao Kubo"},{"author_position":"additional","is_corresponding":false,"raw_affiliation_strings":["Faculty of Science, Osaka City University"],"raw_author_name":"Tadao Kamikawa"},{"author_position":"additional","is_corresponding":false,"raw_affiliation_strings":["Faculty of Science, Osaka City University"],"raw_author_name":"Takahiko Isobe"},{"author_position":"last","is_corresponding":false,"raw_affiliation_strings":["Faculty of Science, Osaka City University"],"raw_author_name":"Takashi Kubota"}]}
