11-acetoxy-2,2-ethylenedioxy-6-hydroxy-1,2,3,4-tetrahydronaphthacene-5,12-dione

2-chloro-5,12-dihydroxy-1,4-dihydro-6,11-naphthacenedione

(9R)-6,9,11-trihydroxy-9-[(1S)-1-hydroxyethyl]-8,10-dihydro-7H-tetracene-5,12-dione

2,2-ethylenedioxy-6-hydroxy-11-methoxy-1,2,3,4-tetrahydronaphthacene-5,12-dione

苯酐