3-Bromo-2,5-furandione5926-51-2 3-Chlorophthalic anhydride117-21-5 3-Fluorophthalic anhydride652-39-1 3-Hydroxyphthalic anhydride37418-88-5 3-Iodophthalic anhydride28418-88-4 3-Methylphthalic anhydride4792-30-7 3-Methyltetrahydrophthalic anhydride5333-84-6 3-Nitrophthalic anhydride641-70-3 3-Oxabicyclo[3.2.0]heptane-2,4-dione4462-96-8 3,3,4,4-Tetrafluorodihydro-2,5-furandione699-30-9 3,3,4,4,5,5-Hexafluorodihydro-2H-pyran-2,6(3H)-dione376-68-1 3,3′,4,4′-Diphenyl sulfone tetracarboxylic dianhydride2540-99-0 3,4-Dihydro-1,2-naphthalenedicarboxylic anhydride37845-14-0 3,4,5,6-Tetrahydrophthalic anhydride2426-02-0 3,6-Dichlorophthalic anhydride4466-59-5 3A,4,4A,7A,8,8A-Hexahydro-4,8-etheno-1H,3H-benzo[1,2-C:4,5-C′]difuran-1,3,5,7-tetrone1719-83-1 3A,4,5,7A-Tetrahydro-6-methyl-1,3-isobenzofurandione19438-64-3 4-(Phenylethynyl)phthalic anhydride119389-05-8 4-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]dihydro-2H-pyran-2,6(3H)-dione91424-40-7 4-Amino-1,8-naphthalic anhydride6492-86-0