(4Z,6E)-5-Hydroxy-1-(4-hydroxy-3-methoxyphenyl)-7-(4-hydroxyphenyl)hepta-4,6-dien-3-one 4,6-heptadien-3-one, 5-hydroxy-1-(4-hydroxy-3-methoxyphenyl)-7-(4-hydroxyphenyl)-, (4Z,6E)- 5-Hydroxy-1-(4-hydroxy-3-methoxy-phenyl)-7-(4-hydroxy-phenyl)-hepta-4,6-dien-3-one InChI=1/C20H20O5/c1-25-20-12-15(6-11-19(20)24)5-10-18(23)13-17(22)9-4-14-2-7-16(21)8-3-14/h2-4,6-9,11-13,21-22,24H,5,10H2,1H3/b9-4+,17-13 Letestuianin A