【Synonyms】：3,4-Dihydroxycinnamic Acid 【CAS No.】：331-39-5 【Formula】：C9H8O4 【Molecular Weight】：180.16 【Appearance】：Light yellow to yellowish brown crystal, slightly soluble in water
【Synonyms】：3,4-Dihydroxycinnamic Acid 【CAS No.】：331-39-5 【Formula】：C9H8O4 【Molecular Weight】：180.16 【Appearance】：Light yellow to yellowish brown crystal, slightly soluble in water
【Synonyms】：3,4-Dihydroxybenzoic Acid 【CAS No.】：99-50-3 【Formula】：C7H6O4 【Molecular Weight】：154.12 【Appearance】：White to slightly brown crystals, soluble in hot water, ethanol and ether
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