英文别名3-hydroxy-1,2-dihydropyrrol-5-one; 4-ketopyrrolidinone; Tetraminsaeure; 1,5-Dihydro-4-hydroxy-2H-pyrrol-2-one; 4-Hydroxy-1,5-dihydro-2H-pyrrol-2-one; 5-hydroxy-1,2-dihydropyrrol-3-one; 2,4-Pyrrolidinedione; Tetramic acid; 5-oxidanyl-1,2-dihydropyrrol-3-one; Pyrrolidine-2,4-dione; 2H-Pyrrol-2-one, 1,5-dihydro-4-hydroxy- 
