2,3,5-三甲基己烷

2,5-dimethylhex-4-en-3-one

5-hydroxy-1,3-dimethylimidazolidine-2,4-dione

N,N'-dimethyl-5-hydroxy-5-(hydroxymethyl)hydantoin

(Z)-N,N'-dimethyl-5-hydroxy-5-(4-methoxy-1,1,4,4-tetramethyl-2-butenyl)hydantoin