M?th?l?m?h?t?m?n? h?dr??hl?r?d? b?l?ng? to th? ?ub?t?tut?d ?h?n?th?l?m?n? and substituted amphetamine ?h?m???l ?l?????. It ?? r?l?t?d t? th? ?th?r dimethylphenethylamines ?? a ????t??n?l isomer ?file th??? ??m??und?, wh??h share th? ??mm?n ?h?m???l f?rmul?: C10H15N1.M?th?m?h?t?m?n? w?? d????v?r?d in 1893 ?nd ?x??t? ?? tw? ?n?nt??m?r?: l?v?-m?th?m?h