英文名称
3-(4-Hydroxyphenyl)-2(1H)-pyrazinone
Standards; Semi-Synthetic;
3-(4-Hydroxyphenyl)-2(1H)-pyrazinone (Amoxicillin EP Impurity F) is a potential impuritiy of the penicillins, ampicillin and amoxicillin, which have not been reported previously. This impurity may be formed during the semi-synthetic preparation of these antibiotics or upon their degradation.