(3S)-2,3,6aα,9aα-Tetrahydro-3-hydroxy-4-methoxycyclopenta[c]furo[3',2':4,5]furo[2,3-h][1]benzopyran-1,11-dione | (3S,6aR,9aS)-2,3,6a,9a-Tetrahydro-3-hydroxy-4-Methoxycyclopenta[c]furo[3',2':4,5]furo[2,3-h][1]benzopyran-1,11-dione |
[3S-(3α,6aα,9aα)]-2,3,6a,9a-Tetrahydro-3-hydroxy-4-Methoxycyclopenta[c]furo[3',2':4,5]furo[2,3-h][1]benzopyran-1,11-dione |