75918-39-7 3-[(3R,5aR,6S,8aR,12S,12aR)-3,6,9-trimethyldecahydro-3,12-epoxy[1,2]dioxepino[4,3-i]isochromen-10-yl]propyl hydrogen carbonate 71902-48-2 (3aS,6aR,6bR,7S,9R,9aR,11aR,11bR,12S,12aR)-7,9-bis(acetyloxy)-2-(furan-3-yl)-1,6b,9a,12a-tetramethyl-5-oxo-3,3a,6,6a,6b,7,8,9,9a,10,11a,11b,12,12a-tetradecahydro-2H,5H-cyclopenta[b]furo[2',3',4':4,5]naphtho[2,1-d]oxepin-12-yl benzoate