title: Photoisomerism: A Colorless Photoinduced Intermediate of o-Nitrobenzylpyridine.
abstract: Exposure to light of o-nitrobenzylpyridines at -185 degrees C yields a long-lived colorless intermediate which is converted to a colored isomer on warming.
authors.forename: J A
authors.initials: JA
authors.lastname: Sousa
authors.forename: J D
authors.initials: JD
authors.lastname: Loconti