1,2,4,5-Cyclohexanetetracarboxylic dianhydride

1,2,4,5-Cyclohexanetetracarboxylic Dianhydride;1,2,4,5-Cyclohexanetetracarboxylic acid dianhydride;cyclohexane-1,2,4,5-tetracarboxylic acid-1,2,4,5-dianhydride;Tetrahydrobenzo[1,2-c:4,5-c']difuran-1,3,5,7(3aH,7aH)-tetraone;Cyclohexan-1,2,4,5-tetracarbonsaeure-1,2,4,5-dianhydrid;