英文别名(2RS)-2-(4-ETHYLPHENYL)PROPANOIC ACID; 2-(4-Ethylphenyl)propionic Acid(Ibuprofen EP Impurity N); Ibuprofen impurity 8/Ibuprofen EP Impurity N/(2RS)-2-(4-Ethylphenyl)propanoic acid; 2-(4-Ethylphenyl)-propanoic acid - Racemic; IBUPROFEN IMP N; IBUPROFEN IMPURITY N; Benzeneacetic acid, 4-ethyl--alpha--methyl- (9CI); 2-(4-Ethylphenyl)propionic Acid; 2-(p-Ethylphenyl)propionic Acid; p-Ethylhydratropic Acid; Ibuprofen Impurity 14 
