英文名称:1-Keto Ketorolac; 5-Benzoyl-2,3-Dihydro-1H-Pyrrolizin-1-One; Ketorolac EP Impurity B; Imp. B (Ep): 5-Benzoyl-2,3-Dihydro-1H-Pyrrolizin-1-One(Ketorolac1-Keto Anolog); Ketorolac Related Compound C (20 Mg) (5-Benzoyl-2,3-Dihydro-1H-Pyrrolizin-1-One); Ketorolac Ep Impurity B; Ketorolac Impurity 4(Ketorolac Ep Impurity B); Ketorolac Related Compound C; 5-Benzoyl-2,3-Dihydropyrrolizin-1-One