These are GCMS lab test results from DEA Licensed lab, sometimes they come from international labs like and as well.
A sample of powder that was I'm assuming was sold from Pasadena, TX from a Chinese vendor (likely online) that was sold as some kind of" replacement, which one would assume is at least a common adulterant like or any other, or even or other, but instead got, which made its rounds as a a lot last year (looks like this was a delayed entry), which is a highly potent, and would simulate nothing close to a "molly" experience. At the amounts that one would take/#MDMA or anything similar, DCK would likely knock someone on their ass, even in half the quantity (although orally, not entirely sure what the effects would be). DCK doesn't have a known reaction on common reagents. It usually bubbles/fizzes/smokes with no color change.
You can purchase test kits from DanceSafe.org