Compound 19

Methyl 2-phenyl-7-((4,5,5-tris(benzyloxy)-2-formyl-6-oxocyclohexa-1,3-dien-1-yl)oxy)benzo[d][1,3]dioxole-5-carboxylate

From: A unified strategy for the synthesis of highly oxygenated diaryl ethers featured in ellagitannins