二氢-4,4-二甲基-2,3-呋喃二酮

3,3-dimethyl-2,4-dihydro-1H-naphthalene

(3R)-3-hydroxy-4,4-dimethyl-1-phenylpyrrolidin-2-one

(R)-3-叠氮基-4,4-二甲基二氢呋喃-2(3H)-酮

1,2,3,4-四氢-2,2,6-三甲基萘