A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2018; you can also visit the original URL.
The file type is application/pdf.
Hiroshi Tomisawa, Tomie Agatsuma, Yuichi Kamura. "Studies on 1-Alkyl-2(1H)-pyridone Derivatives. IV." Yakugaku zasshi 81.7 (1961) 947-950