2-(2,5-Dihydro-3-hydroxy-5-oxo-4-phenyl-2-furanylidene)-2-phenylacetic acid methyl ester 73622-57-8 ACETIC ACID, 2-(2,5-DIHYDRO-3-HYDROXY-5-OXO-4-PHENYL-2-FURANYLIDENE)-2-PHENYL-, Acetic acid, 2-(2,5-dihydro-3-hydroxy-5-oxo-4-phenyl-2-furanylidene)-2-phenyl-, methyl ester BRN 1437166 Vulpinic acid