potassium 2-(dicyclopropylmethylene)-1-(phenylsulfonyl)hydrazin-1-ide

5,5-dicyclopropyl-2-methoxy-2-methyl-Δ3-1,3,4-oxadiazoline

四氯乙烯

1-cyclobutyl-1-(p-tolylsulfonyloxy)cyclopropane

环丁烷甲酸乙酯