Mescaline-FLY, also known as flyscaline, M-FLY, or MeO-2C-2,6-IFLY, is a putatively non-hallucinogenic serotonin receptor modulator of the phenethylamine, scaline, and FLY families. It is the FLY (benzodifuran) analogue of the psychedelic drug mescaline.