1,4-二甲氧基蒽醌 、 1,4,5,8-Tetramethoxy-9,10-anthrachinon 以there is obtained the corresponding 1,4-dimethoxy-5,8,9,10-anthradiquinone as a purple solid, m.p. 277-278的产率得到5,8-Dimethoxy-anthracene-1,4,9,10-tetraone
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Intermediates for polycyclic quinonoid antibiotics