Synonyms: 2H-Pyrrol-2-one,3-acetyl-1,5-dihydro-4-hydroxy-5-(1-methylpropyl)-, monosodium salt,[S-(R*,R*)]-; 3-Pyrrolin-2-one, 3-acetyl-5-sec-butyl-4-hydroxy-, monosodiumsalt, L- (8CI); L-Tenuazonic acid sodium salt; NSC 525816; SodiumL-tenuazonate; Tenuazonic acid sodium salt