英文别名2-(3-methyl-2,4,5-trioxocyclopentyl)-2-oxoacetic acid ethyl ester; Cyclopentaneacetic acid, 3-methyl-α,2,4,5-tetraoxo-, ethyl ester; 4-Methyl-2,3,5-trioxocyclopentanglyoxylinsaeureethylester; 4-Methyl-2,3,5-trioxocyclopentanglyoxylsaeureaethylester; <4-Methyl-2,3,5-trioxo-cyclopentyl>-glyoxylsaeure-ethylester