5-MeO-DMT is a powerful psychedelic tryptamine. It is found in a wide variety of plant and tods, like its close relatives DMT and bufotenin, it has been used as an entheogen by South American shamans for thousands of years.
U-48800 is an opioid analgesic drug analogue of originally U-47700,just added one methylene on the benzene ring,at the same time, 2,4-dichlorophenyl replaced the 3,4-dichlorophenyl.