Heinz Falk, Mario Waser,
"Condensed Emodin Derivatives and Their Applicability for the Synthesis of a Fused Heterocyclic Hypericin Derivative"
, in Eur. J. Org. Chem., Seite(n) 1200-1206, 2006
Original Titel:
Condensed Emodin Derivatives and Their Applicability for the Synthesis of a Fused Heterocyclic Hypericin Derivative