3d image of hydroxybenzoic acid skeletal formula

4-hydroxybenzoic acid p-hydroxybenzoic para-hydroxybenzoic phba 4-hydroxybenzoate monohydroxybenzoic phenolic derivative chloroform solvent parabens isomeric salicylic aspirin 3-hydroxybenzoic vitex hypericum perforatum john's wort spongiochloris spongiosa ganoderma lucidum metabolites biosynthesis intermediate biodegradation glycosylation bioactivity safety molecule molecular formula skeletal structural structure cell biology biochemistry biomolecule bioactive substance matter material compound component reagent functional group precursor synthesis reaction production