2-aminoacetophenone
methylammonium carbonate
{2-[2-(1-Methyl-1,2,3,6-tetrahydro-pyridin-4-yl)-propionylamino]-phenyl}-propynoic acid methyl ester
{2-[2-(1-Methyl-1,2,3,6-tetrahydro-pyridin-4-yl)-propenylideneamino]-phenyl}-propynoic acid methyl ester
[2-(2-Cyclohex-1-enyl-acetylamino)-phenyl]-propynoic acid methyl ester