Synonyms: 781-38-4;ethyl 2-(3-methyl-2,4,5-trioxocyclopentyl)-2-oxoacetate;NSC54457;CBMicro_000292;AC1L65UA;NSC47361;NSC-47361;NSC-54457;BIM-0000129.P001;A839344;S14-0971;ethyl (3-methyl-2,4,5-trioxocyclopentyl)(oxo)acetate;2-(3-methyl-2,4,5-trioxocyclopentyl)-2-oxoacetic acid ethyl ester;ethyl 2-[3-methyl-2,4,5-tris(oxidanylidene)cyclopentyl]-2-oxidanylidene-ethanoate