But the only 4-MAR/Aminorex typre drug We've got seen is 4,4-Dimethylaminorex, and which was responsible for numerous deaths. We know from phendimetrazine that substitutions about the Nitrogen decreased the potency or need to be demthylated in vitro which makes it a prodrug. Regarding intranasal/buccal/sublingual use, I'm not guaranteed if this