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3-Iodophthalic anhydride28418-88-4100 % similar 3-Methylphthalic anhydride4792-30-763 % similar 3-Chlorophthalic anhydride117-21-559 % similar 3-Hydroxyphthalic anhydride37418-88-558 % similar 3-Fluorophthalic anhydride652-39-158 % similar Phthalic anhydride85-44-954 % similar 1,3-Dioxo-2-isoindolineaceticacid6296-53-353 % similar 2,3′,3,4′-Biphenyltetracarboxylic dianhydride36978-41-350 % similar 3-Nitrophthalic anhydride641-70-350 % similar 1,8-Naphthalic anhydride81-84-550 % similar Methyl 2-iodobenzoate610-97-949 % similar 3-Iodophthalic acid6937-34-449 % similar 3,4'-Oxydiphthalic anhydride50662-95-848 % similar 1,2-Naphthalenedicarboxylic anhydride5343-99-747 % similar Ethyl 2-iodobenzoate1829-28-345 % similar 3,6-Dichlorophthalic anhydride4466-59-544 % similar Naphthalenetetracarboxylic dianhydride81-30-143 % similar 2,3-Naphthalenedicarboxylic anhydride716-39-242 % similar 4-Chloro-1,8-naphthalic anhydride4053-08-142 % similar Tetraiodophthalic anhydride632-80-442 % similar