肼基甲酸乙酯

2,5-Dimethoxythiophene

(Z)-2-(naphthalen-1-yl(phenyl)methylene)-3,5-dioxo-4-phenyl-1,2,4-triazolidin-2-ium-1-ide

(Z)-2-([1,1'-biphenyl]-4-yl(phenyl)methylene)-3,5-dioxo-4-phenyl-1,2,4-triazolidin-2-ium-1-ide

4,4-dimethyl-3-piperidinocyclobut-2-en-1-one