77065-62-4 Acetic acid, aminooxo-, 2-(3,4-dihydro-3,4-dioxo-1-naphthalenyl)hydrazide Aminooxoacetic acid 2-(3,4-dihydro-3,4-dioxo-1-naphthalenyl)hydrazide Semioxazamide, 1-(3,4-dihydro-3,4-dioxo-1-naphthyl)-