英文别名N-[4-(4-Acetamido-2-hydroxyphenoxy)phenyl]acetamide; Acetamide, N-[4-[4-(acetylamino)-2-hydroxyphenoxy]phenyl]-; Acetaminophen Impurity 22; N-(4-(4-Acetamido-2-hydroxyphenoxy)phenyl)acetamide (Paracetamol Impurity); Acetainophen EP Ipurity L; Probucol Impurity 5; Paracetamol Impurity 12