1. Oxygen, singlet;Fieser and Fieser's Reagents for Organic Synthesis;2017-02-21
2. Oxygen, singlet;Fieser and Fieser's Reagents for Organic Synthesis;2017-02-20
3. Oxygen, Singlet;Fieser and Fieser's Reagents for Organic Synthesis;2013-04-26
4. Oxygen, Singlet;Fieser and Fieser's Reagents for Organic Synthesis;2011-08-15
5. Oxygen, singlet;Fieser and Fieser's Reagents for Organic Synthesis;2010-02-16