4,5-Dihydroxyphthalonitrile

4,5-Dihydroxy-1,2-Benzenedicar

4,5-dihydroxy, 2-benzenedicarbonitrile

4,5-Dihydroxy-1,2-benzenedicarbonitrile

1,2-BENZENEDICARBONITRILE, 4,5-DIHYDROXY-