2,3,6a,8,9,9a-Hexahydro-8,9-dihydroxy-4-methoxycyclopenta[c]furo[3',2':4,5]furo[2,3-h][1]benzopyran-1,11-dione 8-chloroacetate | 2,3,6a,8,9,9a-Hexahydro-8,9-dihydroxy-4-methoxycyclopenta[c]furo[3',2':4,5]furo[2,3-h][1]benzopyran-1,11-dione 8-chloroacetate | |