ChemInform Abstract: New and Stable Endoperoxide from the Pteridin-2,4,7-trione and Singlet Oxygen.NISHIO, T.; NISHIYAMA, T.; OMOTE, Y. · ChemInform · 1987

Photochemical [2 + 2] cycloaddition of the C <img src="http://onlinelibrarystatic.wiley.com/undisplayable_characters/00f8ff.gif" alt="[BOND]"> N bond of pteridine-2,4,7-triones to alkenesTakehiko Nishio; Tadashi Nishiyama; Yoshimori Omote · 1988