Tags: Drug.
β-Keto-Methylbenzodioxolylpentanamine (Pentylone bk-Methyl-K bk-MBDP) is a stimulant compound developed in the 1960s which has been reported as a novel designer drug identified in some samples of powders sold as NRG-1 along with varying blends of other substituted cathinone derivatives including flephedrone MDPBP MDPV and 4-MePPP. It was also found in combination with 4-MePPP being sold as NRG-3.