2,3′,3,4′-Biphenyltetracarboxylic dianhydride36978-41-3100 % similar Bpda2420-87-363 % similar 3-Chlorophthalic anhydride117-21-556 % similar 3-Iodophthalic anhydride28418-88-450 % similar 3-Hydroxyphthalic anhydride37418-88-550 % similar 3-Methylphthalic anhydride4792-30-750 % similar 3-Fluorophthalic anhydride652-39-150 % similar Phthalic anhydride85-44-950 % similar 4-Chlorophthalic anhydride118-45-649 % similar 4,4′-Oxydiphthalic anhydride1823-59-246 % similar 4-Methylphthalic anhydride19438-61-045 % similar Benzophenonetetracarboxylic dianhydride2421-28-545 % similar 4-Fluorophthalic anhydride319-03-945 % similar 4-Bromophthalic anhydride86-90-845 % similar 2,3-Naphthalenedicarboxylic anhydride716-39-244 % similar 1,8-Naphthalic anhydride81-84-543 % similar 4-(Phenylethynyl)phthalic anhydride119389-05-843 % similar 3,3′,4,4′-Diphenyl sulfone tetracarboxylic dianhydride2540-99-043 % similar 4,5-Dichlorophthalic anhydride942-06-342 % similar Trimellitic anhydride chloride1204-28-041 % similar