hys·taz·a·rin
| \ hə̇ˈstazərə̇n \
plural -s
Definition of hystazarin
: a yellow crystalline compound C14H6O2(OH)2 produced along with its isomer alizarin by condensation of phthalic anhydride and pyrocatechol; 2,3-dihydroxy-anthraquinone
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Merriam-Webster unabridged
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