Synonyms: Indole-2,3-dione,1-methyl-, 3-(thiosemicarbazone) (7CI,8CI); Isatin, 1-methyl-, 3-(thiosemicarbazone)(6CI); 1-Methylindole-2,3-dione 3-(thiosemicarbazone); 1-Methylisatin3-thiosemicarbazone; 1-Methylisatin b-thiosemicarbazone; 33T57; BW 33T57; Compound 33T57;Isathizone; Kemoviran; MIBT; Marboran; Methisazone; Metisazon; Metisazone; Metisazonum;N-Methylisatin 3-thiosemicarbazone; N-Methylisatin thiosemicarbazone;N-Methylisatin-b-thiosemicarbazone;NSC 69811; NSC 70969; Viruzona; b-Thiosemicarbazone-N-methylisatin