1 2 3 4-tetrahydro acridine-9-amine July 8, 2019 16 32 64 128 1 2 3 4-tetrahydroquinoxaline 1-(3 5-dinitrobenzamido)-1 2 3 4-tetrahydrophenanthrene 1 2 3 4-tetrahydroquinoline 3 4 5 6-tetrahydro-2-pyrimidinethiol 3 4-dihydropyrimidin-2(1h)-ones
