No correction needed, it is mostly correct - however, a lot of these substances have been tested and do not even mimic controlled substances: MK667 is a good ex

No correction needed, it is mostly correct - however, a lot of these substances have been tested and do not even mimic controlled substances: MK667 is a good example. I think you may be throwing the baby with the bathwater, as designing and improving designer drugs is an untapped market with far more potential upsides than downsides.