diethyl N-(diethylphosphoryl)hydrazinedicarboxylate

N,N-二乙基苯磺酰胺

N-(triethoxy-λ⁵-phosphanylidene)benzenesulfonamide

(E)-diethyl 1-(5-((2,2-dimethylhydrazono)methyl)furan-2-yl)hydrazine-1,2-dicarboxylate

diethyl 1-phenyl-hydrazine-1,2-dicarboxylate