5-benzo[1,3]dioxol-5-yl-3-((Ξ)-piperonylidene)-3H-furan-2-one

3ξ-benzo[1,3]dioxol-5-yl-2-(2-benzo[1,3]dioxol-5-yl-2-oxo-ethyl)-acrylic acid

盐酸

醋酸