2(3H)-Furanone, 4,5-dihydro-4-acetyl-5-(2,4,5-trimethoxyphenyl)-, (E)- 88221-00-5 BRN 4521804 trans-4-Acetyl-5-(2,4,5-trimethoxyphenyl)-4,5-dihydro-2(3H)-furanone