C/C=C(\C)c1cc(O)c(C)c2c1C(=O)Oc1c(C)c(O)cc(/C(C)=C/CO)c1O2	1-((E)-but-2-en-2-yl)-3,8-dihydroxy-6-((E)-4-hydroxybut-2-en-2-yl)-4,9-dimethyl-11H-dibenzo[b,e][1,4]dioxepin-11-one