My Tracks: 4-Bromo-5-nitroisoquinoline-1-carbaldehyde 7-Chloro-6-nitro-1,2,3,4-tetrahydroisoquinoline hydrochloride 4-(5-Formylthiophen-2-yl)-2-methylphenol 3-Cyclopentyl-1H-pyrazol-5-amine