InChI=1/C21H28O8/c1-12(22)26-17-11-25-20(19(28-14(3)24)18(17)27-13(2)23)29-16-9-7-15(8-10-16)21(4,5)6/h7-10,17-20H,11H2,1-6H3/t17-,18-,19+,20-/m1/s1 2C6C147A5986AC91