InChI=1/C29H38O10/c1-16(30)38-21-13-22(32)39-25(2,3)19-12-20(31)28(6)18(27(19,21)5)8-10-26(4,24(34)17-9-11-37-15-17)29(28,35)14-23(33)36-7/h9,11,15,18-19,21,35H,8,10,12-14H2,1-7H3/t18?,19?,21-,26-,27+,28-,29+/m0/s Odontadenin A [11-Acetoxy-3-(furan-3-carbonyl)-4-hydroxy-3,4a,7,7,11a-pentamethyl-5,9-dioxo-tetradecahydro-8-oxa-cyclohepta[a]naphthalen-4-yl]-acetic acid methyl ester methyl rel-[(1R,7aS,8S,9S,11bS)-1-(acetyloxy)-9-(3-furoyl)-8-hydroxy-5,5,7a,9,11b-pentamethyl-3,7-dioxotetradecahydronaphtho[2,1-c]oxepin-8-yl]acetate naphth[2,1-c]oxepin-8-acetic acid, 1-(acetyloxy)-9-(3-furanylcarbonyl)tetradecahydro-8-hydroxy-5,5,7a,9,11b-pentamethyl-3,7-dioxo-, methyl ester, (1S,7aR,8R,9R,11bR)-