英文别名:
2(1H)-Pyrazinone, 3-phenyl-;3-Phenylpyrazin-2(1H)-one;2-hydroxy-3-phenylpyrazine;3-Phenyl-1H-pyrazin-2-one;3-Phenyl-2(1H)-pyrazinone;Cefaclor Impurity 6(Cefaclor EP Impurity F);Cefaclor EP Impurity F;Ampicillin Impurity 8(Ampicillin EP Impurity H)