Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Ozawa Hikaru and Kawashima Hidetoshi,Inhibitory Effects of Tropolone Analogues on Catechol-O-methyltransferase,YAKUGAKU ZASSHI,00316903,The Pharmaceutical Society of Japan,1967,87,4,345-350,https://cir.nii.ac.jp/crid/1390282681162965632,https://doi.org/10.1248/yakushi1947.87.4_345