1-N,2-N-dimethoxy-3,3,5,5-tetramethylcyclopentane-1,2-diimine

2,2,4,4-tetramethylpentanedioic acid

2-hydroxy-2,3,3,5,5-pentamethylcyclopentan-1-one

3,3,5,5,7,7-hexamethyl-1-oxaspiro[3.4]octan-8-one

2-hydroxy-3,3,5,5-tetramethyl-2-(2-methylprop-2-enyl)cyclopentan-1-one