英文别名:Imp. B (EP): 5-Benzoyl-2,3-dihydro-1H-pyrrolizin-1-one(Ketorolac1-Keto Anolog);Ketorolac Related CoMpound C;5-benzoyl-2,3-dihydropyrrolizin-1-one;Ketorolac Impurity 4(Ketorolac EP Impurity B);1-Keto Ketorolac;Ketorolac Related Compound C (20 mg) (5-benzoyl-2,3-dihydro-1H-pyrrolizin-1-one);5-Benzoyl-2,3-dihydro-1H-pyrrolizin-1-one;Ketorolac EP IMpurity B