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4-BMC, also known as 4-Bromomethcathinone (4-BMC, Brephedrone), is a synthetic substance and research chemical of phenethylamine, amphetamine, and cathinone. 4-BMC is known to act as serotonin and norepinephrine which causes anti-anxiety, anti-stress and soothing effects. 4-BMC is produced in white powder or crystal form. You can buy 4-BMC online cheap with fast overnight shipping