4-hydroxy-2 5 6-tetrachloro isophthalonitrile July 8, 2019 16 32 64 128 4-hydroxy-2 5 6-trichloroisophthalonitrile 2 4 5 6-tetra(9h-carbazol-9-yl)isophthalonitrile 3 4 5 6-tetrahydro-2-pyrimidinethiol
