2-(1,2-Dimethyl-propyl)-2,4a,7,7,10a,12a-hexamethyl-8-(3,4,5-trihydroxy-6-hydroxymethyl-tetrahydro-pyran-2-yloxy)-1,2,3,4,4a,5,6,6a,7,8,9,10,10a,11,12,12a-hexadecahydro-chrysene-1,9-dicarboxylic acid 9-methyl ester Fuscoatroside InChI=1/C38H62O10/c1-19(2)20(3)35(6)15-16-37(8)23-11-12-25-34(4,5)30(48-33-28(42)27(41)26(40)24(18-39)47-33)21(32(45)46-10)17-36(25,7)22(23)13-14-38(37,9)29(35)31(43)44/h19-21,24-30,33,39-42H,11-18H2,1-10H3,(H,43,44)/t20?,21-,24?,25+,26?,27?,28?,29-,30+ alpha-L-arabinopyranoside, (1S,2R,4aR,6aS,6bR,10S,12aR)-hexadecahydro-1-hydroxy-1,6b,9,9,12a-pentamethyl-2-(2-methyl-1-propenyl)-4a,6a-methano-1H,6H-phenanthro[2,1-d]pyrano[2,3-b]pyran-10-yl 3-O-(6-O- rel-(1R,2R,4aS,6aR,8S,9R,10aS,12aS)-2-(1,2-dimethylpropyl)-9-(methoxycarbonyl)-2,4a,7,7,10a,12a-hexamethyl-8-{[3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl]oxy}-1,2,3,4,4a,5,6,6a,7,8,9,1