1065-26-5

2-Butenal,4-[6-ethoxy-3a,4,5,6,6a,7-hexahydro-8-hydroxy-3,3,11,11-tetramethyl-13-(3-methyl-2-butenyl)-7,15-dioxo-1,5-methano-1H,3H,11H-furo[3,4-g]pyrano[3,2-b]xanthen-1-yl]-2-methyl-(9CI)