1,2,3,4-TETRAMETHYLCYCLOPENTANE

Bismuttris(2-oxobornan-3-carboxylat) 8,9,10-Trinorborn-5-en-2,3-dicarbonsure Cevadin (1R)-1,7,7-Trimethyl-3-(trifluoracetyl)bicyclo[2.2.1]heptan-2-on r-1,c-2,c-3,c-4-Cyclopentan-1,2:3,4-tetracarbondisaeureanhydrid Dexamethason-21-acetat [1S-(1α,2α,3aβ,4α,8aβ,9R*)]-Decahydro-1,5,5,8a-tetramethyl-1,2,4-methenoazulen Perhydrofluoren r-1,c-2,c-3,c-4-Cyclopentantetracarbonsure 16-α,17-α-Epoxy-3-β-hydroxy-16-β-methylpregn-5-en-20-on