6-ethyl-1-methyl-4,5,6,7-tetrahydro-1H-pyrrolo[2,3-c]pyridine

6-isopropyl-1-methyl-4,5,6,7-tetrahydro-1H-pyrrolo[2,3-c]pyridine

tert-butyl [2-(1-methyl-1,4,5,7-tetrahydro-6H-pyrrolo[2,3-c]pyridin-6-yl)ethyl]carbamate

6-benzyl-1-methyl-1H-pyrrolo[2,3-c]pyridin-6-ium bromide

1,6-dimethyl-1H-pyrrolo[2,3-c]pyridin-6-ium iodide