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.
application/pdf
Yoshinori KIDANI, Kazuo OHIRA, Hisashi Koike. "Copper Complexes of Quinoxaline N-Oxide Derivatives." NIPPON KAGAKU KAISHI (1974) 690-695