7-乙氧基-6-甲氧基-2,2-二甲基-2,3-二氢-4H-苯并吡喃-4-酮

7-ethoxy-2,2-dimethylchromene

N-benzyl-3-methylbut-2-enamide

3-Methyl-but-2-enoic acid (1-phenyl-ethyl)-amide

methyl 2,3-dihydroxy-3-methylbutanoate