Trihydroxybenzoic acid may refer to the following phenolic acids:

• Gallic acid (3,4,5-trihydroxybenzoic acid)
• Phloroglucinol carboxylic acid (2,4,6-trihydroxybenzoic acid)

O-methylated trihydroxybenzoic acids are:

• Eudesmic acid
• Syringic acid

Glycosides:

• Theogallin

Index of chemical compounds with the same name

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