Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Suzuki Ryuichiro and Uesawa Yoshihiro and Okada Yoshihito and Horikawa Takumi and Okabe Yui and Aburada Masaki and Takahashi Kunio and Kinoshita Kaoru,Use of 13C-NMR Chemical Shifts; Application of Principal Component Analysis for Categorizing Structurally Similar Methoxyflavones and Correlation Analysis between Chemical Shifts and Cytotoxicity,Chemical and Pharmaceutical Bulletin,00092363,The Pharmaceutical Society of Japan,2021-02-01,69,2,199-202,https://cir.nii.ac.jp/crid/1390849931334091392,https://doi.org/10.1248/cpb.c20-00778