(1E,4Z,6E)-5-hydroxy-7-(4-hydroxy-3-methoxyphenyl)-1-[5-(hydroxymethyl)furan-2-yl]hepta-1,4,6-trien-3-one
(1E,4Z,6E)-5-hydroxy-7-(4-hydroxy-3-methoxy-phenyl)-1-[5-(hydroxymethyl)-2-furyl]hepta-1,4,6-trien-3-one
(1E,4Z,6E)-5-hydroxy-7-(4-hydroxy-3-methoxyphenyl)-1-[5-(hydroxymethyl)-2-furyl]hepta-1,4,6-trien-3-one
(1E,4Z,6E)-5-hydroxy-7-(4-hydroxy-3-methoxy-phenyl)-1-(5-methylol-2-furyl)hepta-1,4,6-trien-3-one
(1E,4Z,6E)-5-hydroxy-7-(4-hydroxy-3-methoxy-phenyl)-1-[5-(hydroxymethyl)furan-2-yl]hepta-1,4,6-trien-3-one