(E)-3-methylpent-2-enedioic acid

1,5-二羟基萘

2-chloro-8-hydroxynaphthalene-1,4-dione

4-acetyl-5-hydroxy-6-methoxy-2-methyl-2-trimethylsiloxy-1,2-dihydronaphtho[1,2-b]furan

3-乙酰氧基-3-甲基戊烷-1,5-二酸酸酸酐