2-chloro-1,4,4a,12a-tetrahydrotetracene-5,6,11,12-tetrone

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

(+/-)-2-cyano-2,5,12-trihydroxy-1,2,3,4-tetrahydro-6,11-naphthacenedione

(+/-)-2-(1-hydroxy-ethyl)-5,8-dimethoxy-3,4-dihydronaphthalene

5,8-dimethoxy-1,2,3,4-tetrahydro-2-naphthalenecarboxylic acid