2-fluorosulfonyl-2,2-difluoroacetyl chloride

formyl cation

dicarbonyl(η(5)-cyclopentadienyl)(η(1)-indenyl)iron

4,5-dihydro-3,3-dimethyl-4-(4-methylphenyl)-3H-1,2,4-triazol-5-one

8-diazobicyclo(2.2.2)octa-2,5-dien-7-one