Organic chemistryOrganic chemistry Z 0200 Norrish Type II Photoelimination of Ketones: Cleavage of 1,4-Biradicals Formed by γ-Hydrogen Abstraction -[187 refs.]. -(WAGNER, P. J.; KLAN, P.; CRC Handb. Org. Photochem. Photobiol. (2nd Ed.) 2004, 52/1-52/31; Dep. Chem., Mich. State Univ., East Lansing, MI 48824, USA; Eng.) -Lindner 21-253