(+/-)-4-demethoxy-7-O-methyldaunomycinone

5,12-diacetoxy-2-acetyl-1,2,3,4,6,11-hexahydro-2-hydroxynaphthacene-6,11-quinone

2,3-bis(bromomethyl)-1,4-dimethoxyanthracene-9,10-dione

8-acetyl-6,11-dimethoxy-7,8,9,10-tetrahydrotetracene-5,12-dione

2,3-bis(bromomethyl)-1,4-dihydroxyanthracene-9,10-dione