2-(3-hydroxy-1-methyl-6-oxo-2,3-dihydro-1H-indol-5(6H)-ylidene)hydrazinecarboxamide;2-(1,2,3,6-Tetrahydro-3-hydroxy-1-methyl-6-oxo-5H-indol-5-ylidene)hydrazinecarboxamide; 3-Hydroxy-1-methyl-5,6-indolinedione 5-Semicarbazone; Adrenochrome Semicarbazone; Adchnon; Adedolon; Adrenochrome Monosemicarbazone; Adrenostazin; Adrenoxyl; Adrezon; Adrokson; Adroxon; Carbazochrom; Cartabes; Cromadrenal; Cromosil; NSC 73742; Sangostasin; Sangostazin;Carbazochrome;