苯甲醇

(E)-2,2,6,6-tetramethylhept-4-en-3-one

trimethylacetaldehyde cyanohydrin trimethylsilyl ether

3-hydroxy-4,4-dimethyl-pentanoic acid ethyl ester

(Z)-N-Acetyl-N-formyl-α-amino-β-tert-butylacrylsaeure-methylester