| o-phthalic acid anhydride |
| phthalanhydride |
| 1,2-benzenedicarboxylic acid,anhydride |
| Isobenzofuran-1,3-dione |
| 1,3-iso-Benzofurandione |
| o-Phthalic anhydride |
| 1,2-benzenedicarboxylic acid anhydride |
| 1,2-benzenedicarboxylic anhydride |
| 1,3-dihydro-1,3-dioxoisobenzofuran |
| 1,3-dioxophthalan |
| 1,3-phthalandion |
| 1,3-phthalandione |
| anhydrid kyseliny ftalove |
| anhydride phtalique |
| anhydride phtalique (etat vitreux) |
| anhydride phtalique (french) |
| anhydride phtalique solide |
| anidride ftalica |
| anidride ftalica (italian) |
| esen |
| ftaalzuuranhydride |
| ftaalzuuranhydride (dutch) |
| ftalanhydrid |
| ftalowy bezwodnik |
| ftalowy bezwodnik (polish) |
| 1,3-dihydro-1,3-dioxo-isobenzofura |
| nci-c03601 |
| pan |
| phthalandione |
| phthalic acid anhydride |
| phthalic anhydride (non-specific name) |
| phthalic anhydride molten liquid |
| phthalic anhydride solid |
| phthalsaeureanhydrid |
| phthalsaeureanhydrid (german) |
| rcra waste number u190 |
| retarder ak |
| retarder esen |
| retarder pd |
| tgl 6525 |
| vulkalent b |
| vulkalent b/c |
| wiltrol p |
| phthalic |
| phthalicanhydride |
| Phthalic anhydride,ACS |
| 2,5-Isobenzofurandione |
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