2-Formyl-1-hydrazinecarbothioamide, 2-formylhydrazinecarbothioamide, N-Formylthiosemicarbazide, 1-formyl-3-thiosemicarbazide, 1-Formyl-thiosemicarbazid, Hydrazinecarbothioamide,2-formyl, 1-formyl-thiosemicarbazide, N-formyl-N'-thiocarbamoyl-hydrazine, N-Formyl-N'-thiocarbamoyl-hydrazin, Hydrazinecarbothioamide,1-formyl, Semicarbazide,1-formyl-3-thio