methyl (R,S)-6-acetyl-7-[5-(4-acetyl-3-hydroxy-2-propylphenoxy)pentoxy]-3,4-dihydro-2H-1-benzopyran-2-carboxylate

rac-6-acetyl-3,4-dihydro-7-hydroxy-2H-1-benzopyran-2-carboxylic acid methyl ester

7-羟基-4-氧代-4H-苯并吡喃-2-羧酸乙酯

二溴戊烷

2,4-二羟基苯乙酮