8-Ethoxy-2,3,6a,8,9,9a-hexahydro-4-methoxycyclopenta[c]furo[3,2:4,5]furo[2,3-h][1]benzopyran-1,11-dione

Order 23402-20-2 ethoxy,hexahydro,methoxycyclopenta,benzopyran,dione,furo[2,3-h]
Furo[2,3-h]
23402-21-39-Ethoxy-3,4,7a,9,10,10a-hexahydro-5-methoxy-1H,12H-furo[3,2:4,5]furo[2,3-h]pyrano[3,4-c][1]benzopyran-1,12-dione