..the ß-carboline fraction chromatographed from an acacia extract (possibly 2meTHBC or 1,2,3,4-tetrahydro-beta-carboline ) was mildly active at 20-30mg vaporized..

..the only other byproduct of NMT that the chemist can think of is N-hydroxy-N-methyltryptamine..(HMT)

certainly NMT darkens with time/exposure, and has no oxide...