trans-3,4-methylenedioxycinnamic acid, Piperonylideneacetic, RARECHEM BK HC S236, 3-(3',4'-methylenedioxy-phenyl)-2E-propenoic acid, PIPERONYL ACRYLIC ACID, Acetic acid,piperonylidene, 3,4-Methoxy cinnaMic acid, 3,4-Methylenedioxycinnamic Acid, 3,4-methylene dioxycinnamic acid, 3-(1,3-Benzodioxol-5-yl)acrylic Acid, 3-(Benzo[d][1,3]dioxol-5-yl)acrylic acid, Piperonylideneacetic acid., (E)-3-(benzo[1,3]dioxol-5-yl)acrylic acid, 3-Piperonylacrylic Acid