4-Methylthiomethamphetamine

4-Methylthiomethamphetamine (4-MTMA; code name PAL-1063), also known as N-methyl-4-methylthioamphetamine (NMMTA), is a monoamine releasing agent (MRA) of the amphetamine family related to 4-methylthioamphetamine (4-MTA) and N,N-dimethyl-4-methylthioamphetamine (DMMTA or 4-MTDMA). Much less is known about 4-MTMA compared to 4-MTA. 4-MTMA is known to act as a potent serotonin releasing agent (SRA).