4 5 6 7 tetrachloro 2 hydroxyisoindoline 1 3 dione July 8, 2019 16 32 64 128 4 5 6 7-tetrahydro-1h-indole 4-hydroxy-2 5 6-trichloroisophthalonitrile Pyrrolo 3 4-f isoindole-1 3 5 7(2h 6h)-tetraone
