N-Pyrrolidino protonitazene, also known as protonitazepyne, is really a artificial opioid.  It has been referred to as a beige powder or even a white colourless or crystalline strong, and continues to be determined in falsified pharmaceutical opioid tablets. 19 January 2024 所有新闻 新闻发布 声明 世卫组织宣传活动 要事 �