@article{oai:gifu-pu.repo.nii.ac.jp:00009093, author = {SAKO, MAGOICHI and OYABU, IWAO and HIROTA, KOSAKU and MAKI, YOSHIFUMI}, journal = {岐阜藥科大學紀要, The annual proceedings of Gifu College of Pharmacy}, month = {Jun}, note = {P(論文)}, title = {Regiocontrolled Photooxygenation of Ibuprofen by Pyrimido[5,4-g]-pteridinetetrone- and Anthraquinone-oxygen Systems.}, volume = {41}, year = {1992} }