2-(2-Methyl-4-oxo-1(4H)-naphthalenylidene)hydrazinecarbothioamide 2-Methyl-1,4-naphthoquinone-1-thiosemicarbazone 4-07-00-02430 (Beilstein Handbook Reference) 63690-21-1 BRN 3307203 Hydrazinecarbothioamide, 2-(2-methyl-4-oxo-1(4H)-naphthalenylidene)-