py·ro·cat·e·chu·ic acid
| \ ¦pīrō¦katə¦chü|ik-, -ə¦shü|, -ə¦kyü| \
Definition of pyrocatechuic acid
: a crystalline acid C6H3(OH)2COOH derived from pyrocatechol; 2,3-dihydroxy-benzoic acid
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Merriam-Webster unabridged
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