(E)-3-(2,3-Dihydrobenzo[b]furan-5-yl)acrylic acid

2-Propenoic acid,3-(2,3-dihydro-5-benzofuranyl)-, (2E)-

(2E)-3-(2,3-Dihydrobenzo[b]furan-5-yl)prop-2-enoic acid, (2E)-3-(2,3-Dihydro-1-benzofuran-5-yl)prop-2-enoic acid