N-Pyrrolidino protonitazene, also called protonitazepyne, is a artificial opioid. It has been referred to as a beige powder or maybe a white colourless or crystalline solid, and has become identified in falsified pharmaceutical opioid tablets. AndrewAndrew 88.7k66 gold badges100100 silver badges188188 bronze badges two I would go along with that. http://www.isbnewsochrehab.com/