quinolin,furo[2,3-h]
Furo[2,3-h]
57103-58-91,2-Dihydro-12-hydroxy-8,9-dimethoxy-2-(1-methylethenyl)[1]benzopyrano[3,4-b]furo[2,3-h][1]benzopyran-6(12H)-one
55058-52-1(6aR)-2,3,6aα,9aα-Tetrahydro-3-hydroxy-4-methoxycyclopenta[c]furo[3,2:4,5]furo[2,3-h][1]benzopyran-1,11-dione