Fredericamycin E

(2R)-5,8,9,9′,10-Pentahydroxy-7-methoxy-3′-[(1E,3E)-1,3-pentadien-1-yl]-6′,7′-dihydro-1H-spiro[anthracene-2,8′-cyclopenta[g]isoquinoline]-1,1′,3,4(2′H)-tetrone

(2R)-5,8,9,9′,10-pentahydroxy-7-methoxy-3′-[(1E,3E)-penta-1,3-dien-1-yl]-6′,7′-dihydro-1H-spiro[anthracene-2,8′-cyclopenta[g]isoquinoline]-1,1′,3,4(2′H)-tetrone

Fredericamycin E

Spiro[anthracene-2(1H),8′-[8H]cyclopent[g]isoquinoline]-1,1′,3,4(2′H)-tetrone, 6′,7′-dihydro-5,8,9,9′,10-pentahydroxy-7-methoxy-3′-[(1E,3E)-1,3-pentadien-1-yl]-, (2R)-

FDM E