pyrogallol(redirected from 1,2,3-trihydroxy-benzene)
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pyrogallol(pī′rō-găl′ôl′, -ōl′, -ŏl′, -gô′lôl′, -lōl′, -lŏl′)
A white, toxic crystalline phenol, C6H3(OH)3, used as a photographic developer and to treat certain skin diseases. Also called pyrogallic acid.
py′ro·gal′lic (-găl′ĭk, -gô′lĭk) adj.
C6H6O3; a toxic chemical derived from gallic acid.