4-肼基苯甲酸乙酯盐酸盐

3-(4-(2-(2-hydroxy-5-nitrobenzylidene)hydrazine-1-carbonyl)phenyl)-1,2,3-oxadiazol-3-ium-5-olate

3-(p-carbethoxyphenyl)sydnone

3-(4-(2-(4-methylbenzylidene)hydrazine-1-carbonyl)phenyl)-1,2,3-oxadiazol-3-ium-5-olate

4-(4-chlorophenyl)-1-(4-ethoxycarbonylphenyl)carbazide