3-Hydroxyphthalic anhydride37418-88-5100 % similar 3-Chlorophthalic anhydride117-21-559 % similar 3-Iodophthalic anhydride28418-88-458 % similar 3-Methylphthalic anhydride4792-30-758 % similar 3-Fluorophthalic anhydride652-39-158 % similar Anthrarufin117-12-455 % similar Methyl 2,6-dihydroxybenzoate2150-45-055 % similar Phthalic anhydride85-44-954 % similar 1,8-Dihydroxyanthraquinone117-10-253 % similar 1-Hydroxyanthraquinone129-43-150 % similar 2,3′,3,4′-Biphenyltetracarboxylic dianhydride36978-41-350 % similar 1,8-Naphthalic anhydride81-84-550 % similar Methyl 2,3-dihydroxybenzoate2411-83-849 % similar Methyl salicylate119-36-849 % similar Juglone481-39-049 % similar Phenyl salicylate118-55-847 % similar 2,6-Dihydroxybenzoic acid303-07-147 % similar Ethyl salicylate118-61-645 % similar Isopropyl salicylate607-85-245 % similar Ethyl 2-hydroxy-6-methylbenzoate6555-40-444 % similar