Seol an Taifead seo mar Ríomhphost: Whole-mol­ecule disordered (E)-2-(1-hy­droxy-3-phenylprop-2-en-1-yl­idene)-4,5-dimeth­oxycyclo­pent-4-ene-1,3-dione isolated from Lindera oxyphylla (Lauraceae)