Cyclobut[b]anthracene-4,9-dione, 3,10-bis(acetyloxy)-1,2-dihydro-

Cyclobut[b]anthracene-4,9-dione, 1,2-dihydro-3,10-dihydroxy-

Cyclobut[b]anthracene-4,9-dione, 1,2-dihydro-3,10-dimethoxy-

2-hydroxy-3H-isoindol-1-one

4-[1-(2-hydroxyethylsulfanyl)isoindol-2-yl]butanoic acid