can't read?
Pyrogallol is an organic compound with the formula C6H3(OH)3. It is a white solid although because of its sensitivity toward oxygen, samples are typically brownish.
Pyrogallol is a benzene triol compound described as a metal-complexing agent. Incubation of plasmid DNA with an NO-releasing NONOate and Pyrogallol demonstrated a synergistic induction of single-strand DNA breakage.