N-((1S,3R)-3-Hydroxymethyl-2,2,3-trimethyl-cyclopentyl)-4-methyl-benzenesulfonamide

(1S,4R)-4,7,7-trimethyl-2-[2-(triphenylphospanylidene)propionyl]-2-azabicyclo[2.2.1]heptan-3-one

(R)-1-Methyl-cyclohex-3-enecarboxylic acid

1,4-dimethylcyclohex-3-ene-1-carboxylic acid