Synonyms: 102072-81-1;AC1L3YJH;5,8-Dihydro-7-hydroxy-5,8-dioxo-6-isoquinolinecarbonitrile;5-hydroxy-7,8-dioxoisoquinoline-6-carbonitrile;5-hydroxy-7,8-dioxo-7,8-dihydroisoquinoline-6-carbonitrile;6-Isoquinolinecarbonitrile, 5,8-dihydro-7-hydroxy-5,8-dioxo-