There was a post on Bluelight where a lab tested around 30 research chemicals with marquis, mandelin etc just trying to find it.
Found it.. 4-FA tests up as nothing on marquis, good page this. Nothing tested seems to go dark black on marquis, most look pretty watery.
http://www.bluelight.ru/vb/threads/...esults-for-stim-empathogen-2C-X-RC-s-amp-more
Found it.. 4-FA tests up as nothing on marquis, good page this. Nothing tested seems to go dark black on marquis, most look pretty watery.
http://www.bluelight.ru/vb/threads/...esults-for-stim-empathogen-2C-X-RC-s-amp-more