氯乙酸甲酯

(dibromomethylene)triphenylphosphorane

ethyl (dimethyl-λ4-sulfanylidene)acetate

1,1-dichloro-5,5,5-trifluoro-4-(trifluoromethyl)penta-1,3-diene

4,4-diethoxy-1,1,1-trifluoro-2-(trifluoromethyl)but-2-ene