N-[2-(1H-indol-3-yl)ethyl]-3-oxobutanamide

(E)-N-(2-(1H-indol-3-yl)ethyl)-2-ethylcyclopentan-1-imine

(E)-N-(2-(1-hydroxy-1H-indol-3-yl)ethyl)-3-(4-hydroxyphenyl)acrylamide

tryptamine

(3R)-1-(2-(1H-indol-3-yl)ethyl)-3-ethyl-4-hydroxy-3-(3-hydroxypropyl)piperidin-2-one