首页 / 百科 / 内容详情 All the over-the-counter (OTC) and prescription medicines contain an active ingredient, acetaminophen. 2022-04-25 10次阅读 overthecounter acetaminophen prescription All the over-the-counter (OTC) and prescription medicines contain an active ingredient, acetaminophen. A.正确B.错误正确答案：错误 Totally synthetic materials can serve as valuable lead structures and are frequently needed as starting materials. An analgesic or a painkiller is any member of the group of drugs used to relieve pain. 猜你喜欢