4,5-Dichlorophthalic anhydride942-06-3100 % similar 3-Chlorophthalic anhydride117-21-561 % similar 4-Chlorophthalic anhydride118-45-657 % similar 3,6-Dichlorophthalic anhydride4466-59-554 % similar Bpda2420-87-352 % similar 2,3-Naphthalenedicarboxylic anhydride716-39-252 % similar 4-Chloro-1,8-naphthalic anhydride4053-08-150 % similar 4,4′-Oxydiphthalic anhydride1823-59-248 % similar 4,5-Dichlorophthalic acid56962-08-448 % similar Naphthalenetetracarboxylic dianhydride81-30-148 % similar Phthalic anhydride85-44-948 % similar Trimellitic anhydride chloride1204-28-047 % similar 4-Methylphthalic anhydride19438-61-047 % similar Benzophenonetetracarboxylic dianhydride2421-28-547 % similar 4-Fluorophthalic anhydride319-03-947 % similar 4-Bromophthalic anhydride86-90-847 % similar 1,8-Naphthalic anhydride81-84-545 % similar 2,4-Dichlorobenzoyl peroxide133-14-244 % similar 3,3′,4,4′-Diphenyl sulfone tetracarboxylic dianhydride2540-99-044 % similar Methyl 2-chlorobenzoate610-96-844 % similar