2-ho-nmt 2-ho-nmt 2-hydroxy-n-methyltryptamine (2-ho-nmt) is a tryptamine and is the 2-hydroxy analog of n-methyltryptamine (nmt). it is briefly mentioned in alexander shulgin's book tihkal (tryptamines i have known and loved) under the dmt entry and is stated to be found in desmanthus illinoensis. 2-ho-nmtidentifiers iupac name 3--1h-indol-2-ol pubchem cid101412996chemspider62893050chemical and physical dataformulac11h14n2omolar mass190.246 g·mol−13d model (jsmol)interactive image smiles cnccc1=c(nc2=cc=cc=c21)o inchi inchi=1s/c11h14n2o/c1-12-7-6-9-8-4-2-3-5-10(8)13-11(9)14/h2-5,12-14h,6-7h2,1h3key:xzrsxhhqvnznta-uhfffaoysa-n