2,4-Hexadienedioic acid, 3,4-dihydroxy-2,5-diphenyl-, mono-gamma-lactone, methyl ester 521-52-8 Acetic acid, (3-hydroxy-5-oxo-4-phenyl-2(5H)-furylidene)phenyl-, methyl ester BRN 1437166 Benzeneacetic acid, alpha-(3-hydroxy-5-oxo-4-phenyl-2(5H)-furanylidene)-, methyl ester, (E)- (9CI) EINECS 208-314-1 Methyl 2-(3,5-dioxo-4-phenyl-2-furylidene)-2-phenylacetate NSC 5897 Vulpinic acid delta(sup 2(5H),alpha)-furanacetic acid, 3-hydroxy-5-oxo-alpha,4-diphenyl-, methyl ester delta2(5H),alpha-Furanacetic acid, 3-hydroxy-5-oxo-alpha,4-diphenyl-, methyl ester (8CI)