5-氨基-2-萘磺酸 、
N,N’-(dimethylethylenediaminothiosemicarbazanato)-4-(methylthiosemicarbazanato)butane-2,3-diimine 以
乙腈 为溶剂,
以61%的产率得到5-[[3-(methylcarbamothioylhydrazinylidene)butan-2-ylideneamino]carbamothioylamino]naphthalene-2-sulfonic acid;N-methylmethanamine