2-ethyl-5-ethylsulfanylthiophene

1,2-bis(2-ethyl-5-ethylthio-3-thiophenyl)hexafluorocyclopent-1-ene

2,3,4,4,5,5-hexafluorocyclopent-2-en-1-one

1H,2H-八氟环戊烷

二氟卡宾