O=O NO: it's CO.
Stamler
J S
JS
Piantadosi
C A
CA
D000818:Animals; D001921:Brain / Q000378:metabolism*; D002249:Carbon Monoxide Poisoning / Q000378:metabolism*; D009566:Nitrates / Q000378:metabolism*; D009569:Nitric Oxide / Q000096:biosynthesis*; D051381:Rats; D013481:Superoxides / Q000378:metabolism
D009566:Nitrates; D013481:Superoxides; C039642:peroxynitric acid; D009569:Nitric Oxide